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TI-2026-24713 Aliases CVE-2026-32177

.NET Elevation of Privilege Vulnerability

Priority LOW 35CWE-122Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.

Summary

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00639 50th percentileScored 2026-11-07
Fix Fixed Microsoft: 20 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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 10.0.810.0.8Patch availableCNA
Microsoft.NET 8.08.0.0 to before 8.0.278.0.27Patch availableCNA
Microsoft.NET 9.09.0.0 to before 9.0.169.0.16Patch availableCNA
MicrosoftMicrosoft .NET Framework 3.53.5.0 to before 4.8.9334.0 and 4.8.4802.04.8.9334.0 and 4.8.4802.0Patch availableCNA
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.24.7.0 to before 4.8.9334.0 and 4.8.4802.04.8.9334.0 and 4.8.4802.0Patch availableCNA
MicrosoftMicrosoft .NET Framework 3.5 AND 4.84.8.0 to before 4.8.9334.0 and 4.8.4802.04.8.9334.0 and 4.8.4802.0Patch availableCNA
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8.14.8.1 to before 4.8.9334.0 and 4.8.4802.04.8.9334.0 and 4.8.4802.0Patch availableCNA
MicrosoftMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.24.7.0 to before 4.8.9334.0 and 4.8.4802.04.8.9334.0 and 4.8.4802.0Patch availableCNA
MicrosoftMicrosoft .NET Framework 4.84.8.0 to before 4.8.9334.0 and 4.8.4802.04.8.9334.0 and 4.8.4802.0Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.1217.12.0 to before 17.12.2017.12.20Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.1417.14.0 to before 17.14.3217.14.32Patch availableCNA
MicrosoftMicrosoft Visual Studio 2026 version 18.518.5.0 to before 18.5.318.5.3Patch availableCNA
  • .NET 10.0 VendorMicrosoft Affected 10.0.0 to before 10.0.8 Fixed in 10.0.8 Patch available CNA
  • .NET 8.0 VendorMicrosoft Affected 8.0.0 to before 8.0.27 Fixed in 8.0.27 Patch available CNA
  • .NET 9.0 VendorMicrosoft Affected 9.0.0 to before 9.0.16 Fixed in 9.0.16 Patch available CNA
  • Microsoft .NET Framework 3.5 VendorMicrosoft Affected 3.5.0 to before 4.8.9334.0 and 4.8.4802.0 Fixed in 4.8.9334.0 and 4.8.4802.0 Patch available CNA
  • Microsoft .NET Framework 3.5 AND 4.7.2 VendorMicrosoft Affected 4.7.0 to before 4.8.9334.0 and 4.8.4802.0 Fixed in 4.8.9334.0 and 4.8.4802.0 Patch available CNA
  • Microsoft .NET Framework 3.5 AND 4.8 VendorMicrosoft Affected 4.8.0 to before 4.8.9334.0 and 4.8.4802.0 Fixed in 4.8.9334.0 and 4.8.4802.0 Patch available CNA
  • Microsoft .NET Framework 3.5 AND 4.8.1 VendorMicrosoft Affected 4.8.1 to before 4.8.9334.0 and 4.8.4802.0 Fixed in 4.8.9334.0 and 4.8.4802.0 Patch available CNA
  • Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 VendorMicrosoft Affected 4.7.0 to before 4.8.9334.0 and 4.8.4802.0 Fixed in 4.8.9334.0 and 4.8.4802.0 Patch available CNA
  • Microsoft .NET Framework 4.8 VendorMicrosoft Affected 4.8.0 to before 4.8.9334.0 and 4.8.4802.0 Fixed in 4.8.9334.0 and 4.8.4802.0 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.12 VendorMicrosoft Affected 17.12.0 to before 17.12.20 Fixed in 17.12.20 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.14 VendorMicrosoft Affected 17.14.0 to before 17.14.32 Fixed in 17.14.32 Patch available CNA
  • Microsoft Visual Studio 2026 version 18.5 VendorMicrosoft Affected 18.5.0 to before 18.5.3 Fixed in 18.5.3 Patch available CNA

CPE configurations NVD · 32

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:-:*:*17.12.0 to before 17.12.20; 17.14.0 to before 17.14.32VulnerableMicrosoft
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*18.5.0 to before 18.5.3VulnerableMicrosoft
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*4.8VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*r2Running onMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*4.6.2VulnerableMicrosoft
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*4.7VulnerableMicrosoft
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*4.7.1VulnerableMicrosoft
  • cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:-:*:* Versions 17.12.0 to before 17.12.20; 17.14.0 to before 17.14.32 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:* Versions 18.5.0 to before 18.5.3 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:* Versions 4.8 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:* Versions 4.6.2 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:* Versions 4.7 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:* Versions 4.7.1 Vulnerable ·Microsoft
Show 22 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*4.7.2VulnerableMicrosoft
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*3.5VulnerableMicrosoft
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*4.8.1VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:arm64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:arm64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:arm64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2025:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*8.0.0 to before 8.0.27; 9.0.0 to before 9.0.16; 10.0.0 to before 10.0.8VulnerableMicrosoft
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* Versions 4.7.2 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* Versions 3.5 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:* Versions 4.8.1 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_22h2:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:arm64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:arm64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:arm64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2025:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* Versions 8.0.0 to before 8.0.27; 9.0.0 to before 9.0.16; 10.0.0 to before 10.0.8 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Microsoft 20 updates

  • KB5093448
    Security Update
    • .NET 9.0 installed on Linux 9.0.16
    • .NET 9.0 installed on Mac OS 9.0.16
    • .NET 9.0 installed on Windows 9.0.16
  • KB5093447
    Security Update
    • .NET 8.0 installed on Linux 8.0.27
    • .NET 8.0 installed on Mac OS 8.0.27
    • .NET 8.0 installed on Windows 8.0.27
  • KB5093446
    Security Update
    • .NET 10.0 installed on Linux 10.0.8
    • .NET 10.0 installed on Mac OS 10.0.8
    • .NET 10.0 installed on Windows 10.0.8
Show 17 more Microsoft updates
  • KB5087069
    Security Update
    • Microsoft .NET Framework 4.8 4.8.9334.0 and 4.8.4802.0
  • KB5087068
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8 4.8.9334.0 and 4.8.4802.0
  • KB5087067
    Security Update
    • Microsoft .NET Framework 4.8 4.8.9334.0 and 4.8.4802.0
  • KB5087066
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8 4.8.9334.0 and 4.8.4802.0
  • KB5087065
    Security Update
    • Microsoft .NET Framework 4.8 4.8.9334.0 and 4.8.4802.0
  • KB5087064
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8 4.8.9334.0 and 4.8.4802.0
  • KB5087063
    Security Update
    • Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.8.9334.0 and 4.8.4802.0
    • Microsoft .NET Framework 4.8 4.8.9334.0 and 4.8.4802.0
  • KB5087062
    Security Update
    • Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 4.8.9334.0 and 4.8.4802.0
  • KB5087061
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.7.2 4.8.9334.0 and 4.8.4802.0
  • KB5087059
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9334.0 and 4.8.4802.0
  • KB5087058
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9334.0 and 4.8.4802.0
  • KB5087055
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9334.0 and 4.8.4802.0
  • KB5087054
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9334.0 and 4.8.4802.0
  • KB5087053
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9334.0 and 4.8.4802.0
  • KB5087051
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.8.1 4.8.9334.0 and 4.8.4802.0
  • KB5087049
    Security Update
    • Microsoft .NET Framework 3.5 4.8.9334.0 and 4.8.4802.0
  • KB5087048
    Security Update
    • Microsoft .NET Framework 3.5 4.8.9334.0 and 4.8.4802.0

Vendor assessments

Red Hat

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

Not affected: 4 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat Hardened Images

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft Visual Studio 2022 version 17.12Fixed 17.12.20 · Security Update
Microsoft Visual Studio 2022 version 17.14Fixed 17.14.32 · Security Update
Microsoft Visual Studio 2026 version 18.5Fixed 18.5.3 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-32177
  2. 2026-10-25 EPSS moved to the 50th–90th percentile

References

Patch 1

  • 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