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TI-2011-01662 Aliases CVE-2011-1886GHSA-mpc7-7p74-8wv7

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 does not properly…

Priority LOW 15Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · None · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 does not properly validate the arguments to functions, which allows local users to read arbitrary data from kernel memory via a crafted application that triggers a NULL pointer dereference, aka "Win32k Incorrect Parameter Validation Allows Information Disclosure Vulnerability."

Why it matters now

EPSS 0.01878 79th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

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

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*all versionsVulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-1886
  2. 2026-10-03 Alias added: GHSA-mpc7-7p74-8wv7

References

Advisory 2

Other 3

  • TI-2008-04072 The Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and… KEVCVSS 3.1CRITICAL 9.8
  • TI-2013-03421 The InformationCardSigninHelper Class ActiveX control in icardie.dll in Microsoft Windows… KEVCVSS 3.1HIGH 8.8
  • TI-2011-03009 Unspecified vulnerability in the TrueType font parsing engine in win32k.sys in the… KEVCVSS 3.1HIGH 8.8
  • 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-2013-04422 NDProxy.sys in the kernel in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 allows… KEVCVSS 3.1HIGH 7.8
See all 737 →

Sources

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