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CVE-2011-0033

36
FAUCET Score

CVE-2011-0033 describes a critical vulnerability in the OpenType Compact Font Format (CFF) driver across multiple Microsoft Windows operating systems, including XP, Vista, Windows 7, and various Server versions. This flaw allows remote attackers to execute arbitrary code by exploiting improper parameter validation within crafted OpenType fonts. With a CVSS score of 9.3 (Critical), the vulnerability presents a high risk due to its network-based attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no public exploit code available, nor is it listed in the CISA KEV catalog, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_2003_server:*:sp2:itanium:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_7:*:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
20.73%
Probability of exploitation in next 30 days
EPSS Percentile
97.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.2073 is in the 87th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

osvdb.org / 70821
docs.microsoft.com / en-us/security-updates/securitybulletins/2011/ms11-007
secunia.com / advisories/43252
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/64906
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11593
support.avaya.com / css/P8/documents/100127239
securityfocus.com / bid/46106
securitytracker.com / id
vupen.com / english/advisories/2011/0320
Vendor Advisory