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TI-2026-49302 Aliases CVE-2026-70585GHSA-pxrj-qg32-c99w

Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability

Priority LOW 32CWE-416Published · Updated

Key facts

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

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

Summary

Use after free in Windows Services for NFS ONCRPC XDR Driver allows an authorized attacker to execute code locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00264 18th percentileScored 2026-11-07
Fix Fixed Microsoft: 6 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
MicrosoftWindows Server 20126.2.9200.0 to before 6.2.9200.263496.2.9200.26349Patch availableCNA
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 to before 6.2.9200.263496.2.9200.26349Patch availableCNA
MicrosoftWindows Server 2012 R26.3.9600.0 to before 6.3.9600.233986.3.9600.23398Patch availableCNA
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 to before 6.3.9600.233986.3.9600.23398Patch availableCNA
MicrosoftWindows Server 201610.0.14393.0 to before 10.0.14393.951210.0.14393.9512Patch availableCNA
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 to before 10.0.14393.951210.0.14393.9512Patch availableCNA
MicrosoftWindows Server 201910.0.17763.0 to before 10.0.17763.924510.0.17763.9245Patch availableCNA
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 to before 10.0.17763.924510.0.17763.9245Patch availableCNA
MicrosoftWindows Server 202210.0.20348.0 to before 10.0.20348.562210.0.20348.5622Patch availableCNA
MicrosoftWindows Server 202510.0.26100.0 to before 10.0.26100.3343810.0.26100.33438Patch availableCNA
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 to before 10.0.26100.3343810.0.26100.33438Patch availableCNA
  • Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.26349 Fixed in 6.2.9200.26349 Patch available CNA
  • Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.26349 Fixed in 6.2.9200.26349 Patch available CNA
  • Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.23398 Fixed in 6.3.9600.23398 Patch available CNA
  • Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.23398 Fixed in 6.3.9600.23398 Patch available CNA
  • Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.9512 Fixed in 10.0.14393.9512 Patch available CNA
  • Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.9512 Fixed in 10.0.14393.9512 Patch available CNA
  • Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.9245 Fixed in 10.0.17763.9245 Patch available CNA
  • Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.9245 Fixed in 10.0.17763.9245 Patch available CNA
  • Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.5622 Fixed in 10.0.20348.5622 Patch available CNA
  • Windows Server 2025 VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.33438 Fixed in 10.0.26100.33438 Patch available CNA
  • Windows Server 2025 (Server Core installation) VendorMicrosoft Affected 10.0.26100.0 to before 10.0.26100.33438 Fixed in 10.0.26100.33438 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*r2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:x64:*before 10.0.14393.9512VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:*before 10.0.17763.9245VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:*before 10.0.20348.5622VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*before 10.0.26100.33438VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:x64:* Versions before 10.0.14393.9512 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:x64:* Versions before 10.0.17763.9245 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:x64:* Versions before 10.0.20348.5622 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* Versions before 10.0.26100.33438 Vulnerable ·Microsoft

Remediation

Microsoft 6 updates

  • KB5123099
    Security Update
    • Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4145.0
    • Windows 10 Version 1607 for 32-bit Systems 10.0.14393.9512
    • Windows 10 Version 1607 for x64-based Systems 10.0.14393.9512
    • Windows Server 2016 10.0.14393.9512
    • Windows Server 2016 (Server Core installation) 10.0.14393.9512
  • KB5123066
    Security Update
    • Windows Server 2012 R2 6.3.9600.23398
    • Windows Server 2012 R2 (Server Core installation) 6.3.9600.23398
  • KB5123065
    Security Update
    • Windows Server 2012 6.2.9200.26349
    • Windows Server 2012 (Server Core installation) 6.2.9200.26349
Show 3 more Microsoft updates
  • KB5122882
    Security Update
    • Windows Server 2022 10.0.20348.5622
    • Windows Server 2022 (Server Core installation) 10.0.20348.5622
  • KB5122876
    Security Update
    • Windows 10 Version 1809 for 32-bit Systems 10.0.17763.9245
    • Windows 10 Version 1809 for x64-based Systems 10.0.17763.9245
    • Windows Server 2019 10.0.17763.9245
    • Windows Server 2019 (Server Core installation) 10.0.17763.9245
  • KB5122871
    Security Update
    • Windows Server 2025 10.0.26100.33438
    • Windows Server 2025 (Server Core installation) 10.0.26100.33438

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Remote Code Execution
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation More Likely

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-70585
  2. 2026-10-03 Alias added: GHSA-pxrj-qg32-c99w

References

Patch 1

  • TI-2025-36863 Windows Server Update Service (WSUS) Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-01431 Netlogon Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 10.0
  • TI-2020-01310 Improper input validation in Microsoft Windows Server KEVCVSS 3.1CRITICAL 10.0
  • TI-2017-06077 Microsoft Windows XP SP3, Windows XP x64 XP2, Windows Server 2003 SP2, Windows Vista… KEVCVSS 3.1CRITICAL 9.8
  • TI-2015-01465 HTTP.sys in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-01009 Improper input validation in Microsoft Windows Server KEVCVSS 3.1CRITICAL 9.0
See all 5293 →

Sources

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