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TI-2026-21120 Aliases CVE-2026-26127GHSA-73j8-2gch-69rq

.NET Denial of Service Vulnerability

Priority MEDIUM 43CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub, Red Hat and Microsoft. Impact type from Microsoft.

Summary

Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02267 83rd percentileScored 2026-11-07
Fix Fixed Microsoft.Bcl.Memory (NuGet): 9.0.14, 10.0.4Microsoft.NetCore.App.Runtime.linux-arm (NuGet): 9.0.14, 10.0.4+11 more productsRed Hat: 8 advisoriesMicrosoft: 2 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Microsoft.NET 10.010.0.0 to before 10.0.410.0.4Patch availableCNA
Microsoft.NET 9.09.0.0 to before 9.0.149.0.14Patch availableCNA
MicrosoftMicrosoft.Bcl.Memory10.0.0 to before 10.0.410.0.4Patch availableCNA
MicrosoftMicrosoft.Bcl.Memory9.0.0 to before 9.0.149.0.14Patch availableCNA
—Microsoft.Bcl.Memory (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-arm (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-musl-arm64 (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-musl-x64 (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-x64 (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.osx-arm64 (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.osx-x64 (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.win-arm (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.win-arm64 (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.win-x64 (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.win-x86 (NuGet)9.0.0 to before 9.0.149.0.14Patch availableGHSA-73j8-2gch-69rq
—Microsoft.Bcl.Memory (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-arm (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-musl-arm64 (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-musl-x64 (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.linux-x64 (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.osx-arm64 (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.osx-x64 (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.win-arm (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.win-x64 (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.win-x86 (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
—Microsoft.NetCore.App.Runtime.win-arm64 (NuGet)10.0.0 to before 10.0.410.0.4Patch availableGHSA-73j8-2gch-69rq
  • .NET 10.0 VendorMicrosoft Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available CNA
  • .NET 9.0 VendorMicrosoft Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available CNA
  • Microsoft.Bcl.Memory VendorMicrosoft Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available CNA
  • Microsoft.Bcl.Memory VendorMicrosoft Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available CNA
  • Microsoft.Bcl.Memory (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-arm (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-musl-arm64 (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-musl-x64 (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-x64 (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.osx-arm64 (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.osx-x64 (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.win-arm (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.win-arm64 (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.win-x64 (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.win-x86 (NuGet) Vendor— Affected 9.0.0 to before 9.0.14 Fixed in 9.0.14 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.Bcl.Memory (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-arm (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-musl-arm64 (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-musl-x64 (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.linux-x64 (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.osx-arm64 (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.osx-x64 (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.win-arm (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.win-x64 (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.win-x86 (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq
  • Microsoft.NetCore.App.Runtime.win-arm64 (NuGet) Vendor— Affected 10.0.0 to before 10.0.4 Fixed in 10.0.4 Patch available GHSA-73j8-2gch-69rq

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*10.0.0 to before 10.0.4VulnerableMicrosoft
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*not specified by NVDRunning onLinux
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*9.0.0 to before 9.0.14VulnerableMicrosoft
cpe:2.3:a:microsoft:bcl.memory:*:*:*:*:*:*:*:*9.0.0 to before 9.0.14; 10.0.0 to before 10.0.4VulnerableMicrosoft
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* Versions 10.0.0 to before 10.0.4 Vulnerable ·Microsoft
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* Versions 9.0.0 to before 9.0.14 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:bcl.memory:*:*:*:*:*:*:*:* Versions 9.0.0 to before 9.0.14; 10.0.0 to before 10.0.4 Vulnerable ·Microsoft

Remediation

  • Fix · GHSA-73j8-2gch-69rq Microsoft.Bcl.Memory (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-arm (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-musl-arm64 (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-musl-x64 (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-x64 (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.osx-arm64 (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.osx-x64 (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.win-arm (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.win-arm64 (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.win-x64 (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.win-x86 (NuGet) Fixed in 9.0.14 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.Bcl.Memory (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-arm (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-arm64 (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-musl-arm (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-musl-arm64 (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-musl-x64 (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.linux-x64 (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.osx-arm64 (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.osx-x64 (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.win-arm (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.win-x64 (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.win-x86 (NuGet) Fixed in 10.0.4 Advisory →
  • Fix · GHSA-73j8-2gch-69rq Microsoft.NetCore.App.Runtime.win-arm64 (NuGet) Fixed in 10.0.4 Advisory →

Red Hat 8 advisories

  • RHSA-2026:10085 Released 2026-04-23 · Red Hat rating Important
    .NET 9.0 security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) dotnet-sdk-9.0-source-built-artifacts-9.0.115-1.el9_6
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) aspnetcore-runtime-9.0-9.0.14-1.el9_6, aspnetcore-runtime-dbg-9.0-9.0.14-1.el9_6, aspnetcore-targeting-pack-9.0-9.0.14-1.el9_6 +12
  • RHSA-2026:10083 Released 2026-04-23 · Red Hat rating Important
    .NET 9.0 security update
    • Red Hat Enterprise Linux AppStream EUS (v. 10.0) aspnetcore-runtime-9.0-9.0.14-1.el10_0, aspnetcore-runtime-dbg-9.0-9.0.14-1.el10_0, aspnetcore-targeting-pack-9.0-9.0.14-1.el10_0 +12
    • Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) dotnet-sdk-9.0-source-built-artifacts-9.0.115-1.el10_0
  • RHSA-2026:4456 Released 2026-03-12 · Red Hat rating Important
    .NET 9.0 security update
    • Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-9.0-9.0.14-1.el9_7, aspnetcore-runtime-dbg-9.0-9.0.14-1.el9_7, aspnetcore-targeting-pack-9.0-9.0.14-1.el9_7 +11
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) dotnet-sdk-9.0-source-built-artifacts-9.0.115-1.el9_7
Show 5 more Red Hat advisories
  • RHSA-2026:4445 Released 2026-03-12 · Red Hat rating Important
    .NET 10.0 security update
    • Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-10.0-10.0.4-1.el9_7, aspnetcore-runtime-dbg-10.0-10.0.4-1.el9_7, aspnetcore-targeting-pack-10.0-10.0.4-1.el9_7 +11
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) dotnet-sdk-10.0-source-built-artifacts-10.0.104-1.el9_7
  • RHSA-2026:4458 Released 2026-03-12 · Red Hat rating Important
    .NET 10.0 security update
    • Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-10.0-10.0.4-1.el8_10, aspnetcore-runtime-dbg-10.0-10.0.4-1.el8_10, aspnetcore-targeting-pack-10.0-10.0.4-1.el8_10 +12
    • Red Hat Enterprise Linux CRB (v. 8) dotnet-sdk-10.0-source-built-artifacts-10.0.104-1.el8_10
  • RHSA-2026:4443 Released 2026-03-12 · Red Hat rating Important
    .NET 9.0 security update
    • Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-9.0-9.0.14-1.el8_10, aspnetcore-runtime-dbg-9.0-9.0.14-1.el8_10, aspnetcore-targeting-pack-9.0-9.0.14-1.el8_10 +11
    • Red Hat Enterprise Linux CRB (v. 8) dotnet-sdk-9.0-source-built-artifacts-9.0.115-1.el8_10
  • RHSA-2026:4453 Released 2026-03-12 · Red Hat rating Important
    .NET 10.0 security update
    • Red Hat Enterprise Linux AppStream (v. 10) aspnetcore-runtime-10.0-10.0.4-1.el10_1, aspnetcore-runtime-dbg-10.0-10.0.4-1.el10_1, aspnetcore-targeting-pack-10.0-10.0.4-1.el10_1 +11
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) dotnet-sdk-10.0-source-built-artifacts-10.0.104-1.el10_1
  • RHSA-2026:4450 Released 2026-03-12 · Red Hat rating Important
    .NET 9.0 security update
    • Red Hat Enterprise Linux AppStream (v. 10) aspnetcore-runtime-9.0-9.0.14-1.el10_1, aspnetcore-runtime-dbg-9.0-9.0.14-1.el10_1, aspnetcore-targeting-pack-9.0-9.0.14-1.el10_1 +11
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) dotnet-sdk-9.0-source-built-artifacts-9.0.115-1.el10_1

Microsoft 2 updates

  • KB5081278
    Security Update
    • .NET 9.0 installed on Linux 9.0.14
    • .NET 9.0 installed on Mac OS 9.0.14
    • .NET 9.0 installed on Windows 9.0.14
    • ASP.NET Core 9.0 9.0.14
  • KB5081276
    Security Update
    • .NET 10.0 installed on Linux 10.0.4
    • .NET 10.0 installed on Mac OS 10.0.4
    • .NET 10.0 installed on Windows 10.0.4
    • ASP.NET Core 10.0 10.0.4

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:10085
Red Hat Enterprise Linux AppStream (v. 10)Fixed RHSA-2026:4450, RHSA-2026:4453
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2026:4443, RHSA-2026:4458
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:4445, RHSA-2026:4456
Red Hat Enterprise Linux AppStream EUS (v. 10.0)Fixed RHSA-2026:10083
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:10085
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:4443, RHSA-2026:4458
Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)Fixed RHSA-2026:4450, RHSA-2026:4453
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:4445, RHSA-2026:4456
Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0)Fixed RHSA-2026:10083
Not affected: 3 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Microsoft

Microsoft's page for this CVE →

Impact
Denial of Service
Exploited
No
Publicly disclosed
Yes
Exploitability
Exploitation Unlikely
ProductStatusPlan or fix
Microsoft.Bcl.Memory 10.0Fixed10.0.4 Security Update
Microsoft.Bcl.Memory 9.0Fixed9.0.14 Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-26127
  2. 2026-10-03 Alias added: GHSA-73j8-2gch-69rq

References

Patch 1

Advisory 1

Other 2

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2023-19596 .NET and Visual Studio Denial of Service Vulnerability KEVCVSS 3.1HIGH 7.5
  • TI-2023-19588 Microsoft QUIC Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2024-14152 .NET and Visual Studio Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2021-08380 .NET Core Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
See all 129 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences