CVE-2011-2003: n/a vulnerability

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

Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted .fon file, aka "Font Library File Buffer Overrun Vulnerability."

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 22:46 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2011-2003 is a Windows kernel driver flaw triggered by a crafted .fon font library file. On affected Windows versions, successful exploitation could allow arbitrary code execution. The source bundle does not show active exploitation or CVSS scoring, but the impact is serious for legacy Windows estates. Exposure is most likely on endpoints or servers still running the specific older Windows versions named in the CVE description. Organizations without legacy Windows assets are unlikely to be exposed based on the supplied affected-version evidence. Treat as high priority only where listed legacy Windows systems remain in use. The business risk is arbitrary code execution in kernel-mode components, but urgency depends on whether those older platforms exist in the environment. Mitigation focus: Review Microsoft MS11-077 for the applicable vendor security update and deployment guidance.; Prioritize remediation for systems matching the listed Windows versions.; Restrict handling of untrusted font library files until remediation is verified..

Prepared: Jun 27, 2026, 17:48 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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description · low confidence lookup

Execution behavior lookup

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CVE-2011-2003 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Oct 12, 2011, 01:00 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

3Source 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
MS11-077CVE reference · vendor-advisory, x_refsource_MS
oval:org.mitre.oval:def:13103CVE 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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