win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 allows local users to gain privileges via a crafted application that…

Description

win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, aka "Win32k Null Pointer De-reference Vulnerability."

Scores

EPSS (exploitation in 30 days)

1.4% · top 28% of all CVEs (2 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (10)

• TA11-102A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• oval:org.mitre.oval:def:12546 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 47234 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• MS11-034 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
• ADV-2011-0952 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• http://support.avaya.com/css/P8/documents/100133352 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 44156 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx (opens in a new tab)x_refsource_MISCx_transferred
• 1025345 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• mswin-win32k-var8-priv-escalation(66402) (opens in a new tab)vdb-entryx_refsource_XFx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 6 Aug 2024, 21:58 UTC.