CVE-2015-2426
CVE-2015-2426 is a high-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 8.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-28). The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.3
- EPSS exploit prediction: 87% (100th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2022-03-28)
- EU (EUVD) id: EUVD-2015-2519
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-03-28)
- Weakness: CWE-119
- Affected product: Microsoft Windows 10
- Published:
- Last modified:
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."
Frequently asked questions
- What is CVE-2015-2426?
- 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."
- How severe is CVE-2015-2426?
- CVE-2015-2426 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2015-2426 being actively exploited?
- Yes. CVE-2015-2426 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-28, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2015-2426?
- CVE-2015-2426 primarily affects Microsoft Windows 10. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2015-2426?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2015-2426 have an EU (EUVD) identifier?
- Yes. CVE-2015-2426 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2015-2519. It is also flagged as exploited in the EUVD (since 2022-03-28).
- When was CVE-2015-2426 published?
- CVE-2015-2426 was published on 2015-07-20 and last updated on 2026-06-17.
References
- http://blog.trendmicro.com/trendlabs-security-intelligence/a-look-at-the-open-type-font-manager-vulnerability-from-the-hacking-team-leak/
- http://www.kb.cert.org/vuls/id/103336
- http://www.securityfocus.com/bid/75951
- http://www.securitytracker.com/id/1032991
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-078
- https://www.exploit-db.com/exploits/38222/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-2426
Affected products (12)
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
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