CVE-2013-3881

high

Published 2013-10-09 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

8.2

Description

win32k.sys in the kernel-mode drivers in Microsoft Windows 7 SP1 and Windows Server 2008 R2 SP1 allows local users to gain privileges via a crafted application, aka "Win32k NULL Page Vulnerability."

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-31576 local windows verified

Metasploit · 2014-02-11

Microsoft Windows - TrackPopupMenuEx Win32k NULL Page (MS13-081) (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_windows/local/ms13_081_track_popup_menu rank 200

Windows TrackPopupMenuEx Win32k NULL Page

Source fetch failed: fetch_error — view the original via the link above.

OS impact

Windows Affected 1 release

Version	Status	Fixed in
—	Affected	—

References

CWEs

CWE-399

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.