CVE-2015-2426

Name: CVE-2015-2426
Creator: NVD / NIST
Published: 2015-07-20T18:59:01.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10Actively ExploitedEPSS 86.69%

Last modified Jun 17, 2026

CVE-2015-2426 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted OpenType font, aka "OpenType Font Driver Vulnerability.". CISA has confirmed active exploitation in the wild. EPSS estimates a 86.69% chance of exploitation in the next 30 days.

Description

Buffer underflow in atmfd.dll in the Windows Adobe Type Manager Library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via a crafted OpenType font, aka "OpenType Font Driver Vulnerability."

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

86.69%

99.7th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Apr 18, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Microsoft	Windows 10	All versions	—
Microsoft	Windows 7	All versions	Sp1
Microsoft	Windows 8	All versions	—
Microsoft	Windows 8.1	All versions	—
Microsoft	Windows Rt	All versions	—
Microsoft	Windows Rt 8.1	All versions	—
Microsoft	Windows Server 2008	All versions	Sp2
Microsoft	Windows Server 2008	r2	Sp1
Microsoft	Windows Server 2012	All versions	—
Microsoft	Windows Server 2012	r2	—
Microsoft	Windows Vista	All versions	Sp2

References

http://blog.trendmicro.com/trendlabs-security-intelligence/a-look-at-the-open-type-font-manager-vulnerability-from-the-hacking-team-leak/Exploit, Third Party Advisory
http://www.kb.cert.org/vuls/id/103336Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/75951Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1032991Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-078Patch, Vendor Advisory
https://www.exploit-db.com/exploits/38222/Third Party Advisory, VDB Entry
http://blog.trendmicro.com/trendlabs-security-intelligence/a-look-at-the-open-type-font-manager-vulnerability-from-the-hacking-team-leak/Exploit, Third Party Advisory
http://www.kb.cert.org/vuls/id/103336Third Party Advisory, US Government Resource
http://www.securityfocus.com/bid/75951Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1032991Third Party Advisory, VDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-078Patch, Vendor Advisory
https://www.exploit-db.com/exploits/38222/Third Party Advisory, VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-2426US Government Resource

Timeline

Published: Jul 20, 2015
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2015-2426?

How severe is CVE-2015-2426?

CVE-2015-2426 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 86.69% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2015-2426?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-2426?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST