CVE-2011-1226: n/a vulnerability

CVE-2011-1226: 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

CVE-2011-1226 is a Windows kernel privilege-escalation flaw. A person who can run a crafted application on an affected legacy Windows system could gain higher privileges. This is not a remote break-in by itself, but it can turn a low-privileged foothold into system-level control. Exposure is most likely in legacy or embedded Windows estates running the listed affected versions without MS11-034 or later applicable updates. The supplied source does not identify affected modern Windows versions. Organizations should focus on old servers, kiosks, appliances, lab systems, and third-party products that may include these Windows builds. Prioritize this when affected legacy Windows systems still support business operations or can run untrusted code. The main business risk is privilege escalation after initial access, especially on systems that are hard to patch or unsupported. Mitigation focus: Apply Microsoft security updates associated with MS11-034 where applicable.; Retire or isolate unsupported affected Windows versions.; Restrict interactive access and local application execution 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
MS11-034CVE reference · vendor-advisory, x_refsource_MS
mswin-win32k-var14-priv-escalation(66408)CVE reference · vdb-entry, x_refsource_XF
oval:org.mitre.oval:def:12613CVE 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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