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TI-2011-01657 Aliases CVE-2011-1881GHSA-5vhw-4fj2-vxgx

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server…

Priority MEDIUM 41CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-476.

Summary

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other CVEs listed in MS11-054, aka "Win32k Null Pointer De-reference Vulnerability."

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01328 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 17

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x32:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*all versionsVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x32:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
Show 7 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*not specified by NVDVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:*:*r2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*r2VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*all versionsVulnerableMicrosoft
cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*not specified by NVDVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:*:* Versions r2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:* Versions r2 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1881
  2. 2026-10-03 Alias added: GHSA-5vhw-4fj2-vxgx

References

Advisory 2

Other 3

  • TI-2009-01458 Unspecified vulnerability in the QuickTime Movie Parser Filter in quartz.dll in… KEVCVSS 3.1HIGH 8.8
  • TI-2008-00014 Stack-based buffer overflow in the CComVariant::ReadFromStream function in the Active… KEVCVSS 3.1HIGH 8.8
  • TI-2015-01523 Win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, Vista SP2… KEVCVSS 3.1HIGH 7.8
  • TI-2013-04422 NDProxy.sys in the kernel in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 allows… KEVCVSS 3.1HIGH 7.8
  • TI-2011-00574 DNSAPI.dll in the DNS client in Microsoft Windows XP SP2 and SP3, Windows Server 2003… CVSS 3.1CRITICAL 9.8
  • TI-2006-03334 Buffer overflow in the Server Service in Microsoft Windows 2000 SP4, XP SP1 and SP2, and… CVSS 2.0HIGH 10.0
See all 403 →

Sources

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