CVE-2011-1229: n/a vulnerability

CVE-2011-1229: win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows...

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 "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 22:21 UTC (UTC+00:00)

Security readout for executives and security teams

This is a local Windows privilege escalation flaw in win32k.sys. An attacker who can already run an application on an affected legacy Windows system could gain higher privileges. The business concern is mainly unmanaged or unsupported Windows XP, Server 2003, Vista, Server 2008, or early Windows 7 systems. Exposure is most likely in legacy Windows estates, embedded systems, lab networks, or vendor appliances still running affected OS versions. Fully retired or patched systems are unlikely to be exposed, but the provided bundle does not prove patch status for any environment. Prioritize confirmation if legacy Windows remains in production. Treat any unpatched affected host as a high-risk persistence and lateral-movement concern, especially where multiple users or third-party software can execute locally. Mitigation focus: Apply Microsoft MS11-034 or verified superseding security updates where supported.; Retire, isolate, or tightly segment unsupported affected Windows systems.; Restrict local code execution and interactive access on legacy hosts..

Prepared: Jun 24, 2026, 13:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Apr 13, 2011, 20:07 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
mswin-win32k-var17-priv-escalation(66411)CVE reference · vdb-entry, x_refsource_XF
MS11-034CVE reference · vendor-advisory, x_refsource_MS
oval:org.mitre.oval:def:12503CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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