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 execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka "TrueType Font Parsing Remote Code Execution Vulnerability."
Published Oct 15, 2014 ·Due Jun 15, 2022
8.8
HIGHCVSS 3.1
EPSS 59.85%
Description
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 execute arbitrary code via a crafted TrueType font, as exploited in the wild in October 2014, aka "TrueType Font Parsing Remote Code Execution Vulnerability."
Affected products
No data.
- n/a
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- r2
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- r2
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No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
Date Added
May 25, 2022
Patch Due
Jun 15, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Feb 10, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (36 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 59.85% (0.59850) | 99.11th | v5 (v2026.06.15) |
| Aug 5, 2026 | 59.78% (0.59776) | 99.04th | v5 (v2026.06.15) |
| Jul 22, 2026 | 52.74% (0.52744) | 98.86th | v5 (v2026.06.15) |
| Jun 15, 2026 | 50.42% (0.50422) | 98.77th | v5 (v2026.06.15) |
| May 31, 2026 | 55.72% (0.55724) | 98.12th | v4 (v2025.03.14) |
| Apr 23, 2026 | 59.72% (0.59724) | 98.27th | v4 (v2025.03.14) |
| Apr 2, 2026 | 49.71% (0.49715) | 97.79th | v4 (v2025.03.14) |
| Feb 27, 2026 | 53.10% (0.53095) | 97.90th | v4 (v2025.03.14) |
| Dec 28, 2025 | 49.71% (0.49715) | 97.69th | v4 (v2025.03.14) |
| Dec 27, 2025 | 56.08% (0.56078) | 98.00th | v4 (v2025.03.14) |
| Nov 9, 2025 | 49.71% (0.49715) | 97.66th | v4 (v2025.03.14) |
| Nov 3, 2025 | 36.29% (0.36290) | 96.93th | v4 (v2025.03.14) |
| Jul 21, 2025 | 34.77% (0.34773) | 96.83th | v4 (v2025.03.14) |
| May 7, 2025 | 29.81% (0.29806) | 96.33th | v4 (v2025.03.14) |
| Mar 30, 2025 | 32.40% (0.32397) | 96.47th | v4 (v2025.03.14) |
| Mar 29, 2025 | 44.67% (0.44675) | 96.40th | v4 (v2025.03.14) |
| Mar 19, 2025 | 32.40% (0.32397) | 96.30th | v4 (v2025.03.14) |
| Mar 17, 2025 | 30.63% (0.30628) | 96.31th | v4 (v2025.03.14) |
| Dec 17, 2024 | 55.50% (0.55497) | 97.78th | v3 (v2023.03.01) |
| Dec 2, 2024 | 48.65% (0.48650) | 97.61th | v3 (v2023.03.01) |
| Oct 13, 2024 | 38.65% (0.38648) | 97.30th | v3 (v2023.03.01) |
| Aug 27, 2024 | 44.20% (0.44203) | 97.45th | v3 (v2023.03.01) |
| Jun 29, 2024 | 49.82% (0.49823) | 97.53th | v3 (v2023.03.01) |
| May 27, 2024 | 51.06% (0.51056) | 97.55th | v3 (v2023.03.01) |
| Apr 10, 2024 | 49.90% (0.49900) | 97.47th | v3 (v2023.03.01) |
| Sep 22, 2023 | 42.14% (0.42142) | 96.87th | v3 (v2023.03.01) |
| Aug 5, 2023 | 40.85% (0.40853) | 96.78th | v3 (v2023.03.01) |
| Jun 22, 2023 | 33.39% (0.33391) | 96.46th | v3 (v2023.03.01) |
| May 25, 2023 | 32.15% (0.32146) | 96.37th | v3 (v2023.03.01) |
| May 24, 2023 | 35.28% (0.35276) | 96.50th | v3 (v2023.03.01) |
| May 10, 2023 | 32.15% (0.32146) | 96.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 21.63% (0.21632) | 95.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 60.98% (0.60981) | 98.94th | v2 (v2022.01.01) |
| May 16, 2022 | 60.98% (0.60981) | 98.84th | v2 (v2022.01.01) |
| Mar 5, 2022 | 58.74% (0.58741) | 98.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 56.92% (0.56916) | 98.50th | v2 (v2022.01.01) |
References (6)
- http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx x_refsource_CONFIRMNot Applicable
- http://secunia.com/advisories/60970 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.securityfocus.com/bid/70429 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-058 vendor-advisoryx_refsource_MSPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96995 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4148 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://blogs.technet.com/b/srd/archive/2014/10/14/accessing-risk-for-the-october-2014-security-updates.aspx | x_refsource_CONFIRMNot Applicable | |
| http://secunia.com/advisories/60970 | third-party-advisoryx_refsource_SECUNIABroken Link | |
| http://www.securityfocus.com/bid/70429 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-058 | vendor-advisoryx_refsource_MSPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/96995 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-4148 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.