CVE-2013-3894Windows 7 Code Injection
The kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allow remote attackers to execute arbitrary code via a crafted CMAP table in…
Published Oct 9, 2013 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2013-3894 is a high-severity vulnerability (CVSS 8.1 v3.1) affecting Windows 7 (Microsoft), Windows 8 (Microsoft), Windows Rt (Microsoft) and 5 more products.
- It is exploited in the wild, listed in Industry KEV feed since Feb 1, 2015. No public exploit code is known.
- EPSS estimates a 43% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
8.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
43%
Higher than 98.7% of all scored CVEs
Exploit maturity
None known
ATLAS score
19/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Feb 1, 2015
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
None known
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
2
Reports of active use
Description
The kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allow remote attackers to execute arbitrary code via a crafted CMAP table in a TrueType font (TTF) file, aka "TrueType Font CMAP Table Vulnerability."
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Feb 1, 2015 | n/a | Not reported |
Affected Products
13 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 7Microsoft | See advisory | n/a |
| Windows 8Microsoft | See advisory | n/a |
| Windows RtMicrosoft | See advisory | n/a |
| Windows Server 2003Microsoft | See advisory | n/a |
| Windows Server 2008Microsoft | See advisory | n/a |
Timeline
Publicly disclosed
Oct 9, 2013
Added to Industry KEV feed
Feb 1, 2015
Last updated
Apr 28, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- otherMS13-081
- otheroval:org.mitre.oval:def:18899
- otherTA13-288A
FAQ
Common Questions.
The kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allow remote attackers to execute arbitrary code via a crafted CMAP table in a TrueType font (TTF) file, aka "TrueTy…
Affected: Windows 7 (Microsoft); Windows 8 (Microsoft); Windows Rt (Microsoft), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Feb 1, 2015.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2013-3894 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
Request A Demo