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."

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HIGH

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."

Published Nov 11, 2014

7.1

HIGH

CVSS 2.0

EPSS 18.43%

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."

Remediation

No remediation recorded yet.

Metrics

18.43% 0.18428

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.18428

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (14 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	18.43% (0.18428)	97.16th	v5 (v2026.06.15)
Jun 15, 2026	18.43% (0.18428)	96.86th	v5 (v2026.06.15)
Mar 30, 2025	26.70% (0.26697)	95.91th	v4 (v2025.03.14)
Mar 29, 2025	17.02% (0.17015)	91.69th	v4 (v2025.03.14)
Mar 23, 2025	26.70% (0.26697)	95.73th	v4 (v2025.03.14)
Mar 17, 2025	24.51% (0.24509)	95.65th	v4 (v2025.03.14)
Dec 17, 2024	7.82% (0.07824)	94.20th	v3 (v2023.03.01)
Dec 12, 2024	0.95% (0.00945)	83.81th	v3 (v2023.03.01)
Oct 19, 2023	0.95% (0.00945)	81.39th	v3 (v2023.03.01)
Mar 7, 2023	0.81% (0.00809)	79.10th	v3 (v2023.03.01)
Mar 6, 2023	29.80% (0.29797)	97.49th	v2 (v2022.01.01)
Jun 12, 2022	29.80% (0.29797)	97.35th	v2 (v2022.01.01)
Apr 1, 2022	27.88% (0.27884)	97.08th	v2 (v2022.01.01)
Feb 4, 2022	26.41% (0.26405)	95.73th	v2 (v2022.01.01)

Weaknesses (1)

CWE-129

References (3)

http://blogs.technet.com/b/srd/archive/2014/11/11/assessing-risk-for-the-november-2014-security-updates.aspx
x_refsource_CONFIRMVendor Advisory
http://www.securityfocus.com/bid/70949
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-079
vendor-advisoryx_refsource_MSPatchVendor Advisory

Link	Providers	Tags
http://blogs.technet.com/b/srd/archive/2014/11/11/assessing-risk-for-the-november-2014-security-updates.aspx		x_refsource_CONFIRMVendor Advisory
http://www.securityfocus.com/bid/70949		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-079		vendor-advisoryx_refsource_MSPatchVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner microsoft

Published Nov 11, 2014

Updated Aug 6, 2024

Reserved Sep 11, 2014

Link CVE-2014-6317

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2014-6317

Red Hat

Severity n/a

Public date n/a

Links CVE-2014-6317