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CVE-2013-3128

49
FAUCET Score

CVE-2013-3128 is a critical OpenType Font Parsing Vulnerability affecting numerous Microsoft Windows operating systems and .NET Framework versions. This flaw allows remote attackers to execute arbitrary code by enticing a user to open a specially crafted OpenType font file. With a CVSS score of 9.3, it presents a severe risk due to its network-based attack vector, medium attack complexity, and complete compromise of confidentiality, integrity, and availability. While no public exploit code is readily available through common channels like Metasploit or ExploitDB, the vulnerability has garnered significant community discussion and media coverage, including reports of its exploitation by sophisticated threat actors.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x86:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:x64:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:x86:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:*

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
50.37%
Probability of exploitation in next 30 days
EPSS Percentile
98.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.5037 is in the 98th percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

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

docs.microsoft.com / en-us/security-updates/securitybulletins/2013/ms13-081
PatchVendor Advisory
docs.microsoft.com / en-us/security-updates/securitybulletins/2013/ms13-082
PatchVendor Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18847
Third Party Advisory
us-cert.gov / ncas/alerts/TA13-288A
Third Party AdvisoryUS Government Resource