CVE-2011-0666: n/a vulnerability

CVE-2011-0666: Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3,...

Use-after-free vulnerability in 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 leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 21:58 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2011-0666 is a Windows kernel privilege-escalation flaw in win32k.sys. A person or malware already running code locally could use a crafted application to gain higher privileges on affected legacy Windows systems. It is not described as remotely exploitable in the provided sources. Exposure is most likely on unmanaged, legacy, or embedded Windows endpoints and servers still running the listed versions. Modern Windows versions are not named in the supplied CVE record. Treat this as a legacy Windows risk. It is not a headline remote compromise based on supplied evidence, but it can turn a foothold into administrator or kernel-level control on affected systems. Mitigation focus: Inventory systems running the affected Windows versions listed in the CVE.; Review and apply Microsoft guidance from MS11-034 where applicable.; Decommission or isolate unsupported legacy Windows systems that cannot be patched..

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, 18:00 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
oval:org.mitre.oval:def:12347CVE reference · vdb-entry, signature
mswin-win32k-var3-priv-escalation(66397)CVE reference · vdb-entry, x_refsource_XF

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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