CVE-2011-0033: n/a vulnerability

CVE-2011-0033: The OpenType Compact Font Format (CFF) driver in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2,...

The OpenType Compact Font Format (CFF) driver in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 does not properly validate parameter values in OpenType fonts, which allows remote attackers to execute arbitrary code via a crafted font, aka "OpenType Font Encoded Character Vulnerability."

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 21:43 UTC (UTC+00:00)

Security readout for executives and security teams

An attacker could execute code if a vulnerable Windows system processes a malicious OpenType CFF font. This mainly matters for legacy Windows fleets and products still embedding those platforms. The provided sources do not show current active exploitation. Exposure is most likely in unsupported or unpatched legacy Windows endpoints, servers, virtual desktops, or vendor appliances based on the affected Windows versions listed in the CVE description. Prioritize remediation where legacy Windows systems handle email, documents, web content, or user-supplied files. For fully supported and patched environments, urgency is lower but inventory validation is still warranted. Mitigation focus: Review Microsoft MS11-007 guidance for applicable security updates or workarounds.; Patch affected Windows systems where vendor updates are available.; Retire or isolate unsupported Windows XP, Server 2003, Vista, and early Server 2008 systems..

Prepared: Jun 27, 2026, 18:32 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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Execution behavior lookup

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cve · low confidence lookup

CVE-2011-0033 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 10, 2011, 15:00 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
ms-opentype-cff-code-execution(64906)CVE reference · vdb-entry, x_refsource_XF
oval:org.mitre.oval:def:11593CVE reference · vdb-entry, signature
MS11-007CVE reference · vendor-advisory, x_refsource_MS

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.