CVE-2014-6317
CVE-2014-6317 is a high-severity vulnerability in Microsoft Windows 7 with a CVSS 2.0 base score of 7.1. Its EPSS exploit-prediction score of 18% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-129.
Key facts
- Severity: High (CVSS 2.0 base score 7.1)
- EPSS exploit prediction: 18% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-129
- Affected product: Microsoft Windows 7
- Published:
- Last modified:
Description
Array index error in win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, 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 cause a denial of service (reboot) via a crafted TrueType font, aka "Denial of Service in Windows Kernel Mode Driver Vulnerability."
Frequently asked questions
- What is CVE-2014-6317?
- Array index error in win32k.sys in the kernel-mode drivers in Microsoft Windows Server 2003 SP2, 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 cause a denial of service (reboot) via a crafted TrueType font, aka "Denial of Service in Windows Kernel Mode Driver Vulnerability."
- How severe is CVE-2014-6317?
- CVE-2014-6317 has a CVSS 2.0 base score of 7.1, rated high severity.
- Is CVE-2014-6317 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 18% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2014-6317?
- CVE-2014-6317 primarily affects Microsoft Windows 7. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2014-6317?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2014-6317 published?
- CVE-2014-6317 was published on 2014-11-11 and last updated on 2026-06-17.
References
- http://blogs.technet.com/b/srd/archive/2014/11/11/assessing-risk-for-the-november-2014-security-updates.aspx
- http://www.securityfocus.com/bid/70949
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-079
Affected products (12)
- 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_2003:-:sp2:*:*:*:*:*:*
- 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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