Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."
Published Apr 13, 2011
7.2
HIGHCVSS 2.0
EPSS 1.43%
Description
Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application that leverages incorrect driver object management, a different vulnerability than other "Vulnerability Type 1" CVEs listed in MS11-034, aka "Win32k Use After Free Vulnerability."
Affected products
No data.
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- r2
- 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.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.43% (0.01434) | 72.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.43% (0.01434) | 69.52th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.41% (0.00414) | 59.49th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 0.34th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 0.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.77% (0.01773) | 76.63th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.77% (0.01773) | 76.58th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.77% (0.01773) | 74.52th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.77% (0.01773) | 53.76th | v2 (v2022.01.01) |
References (11)
- http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx x_refsource_MISC
- http://osvdb.org/71750 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/44156 third-party-advisoryx_refsource_SECUNIA
- http://support.avaya.com/css/P8/documents/100133352 x_refsource_CONFIRM
- http://www.securityfocus.com/bid/47212 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1025345 vdb-entryx_refsource_SECTRACK
- http://www.us-cert.gov/cas/techalerts/TA11-102A.html third-party-advisoryx_refsource_CERTUS Government Resource
- http://www.vupen.com/english/advisories/2011/0952 vdb-entryx_refsource_VUPEN
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034 vendor-advisoryx_refsource_MS
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66417 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12302 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx | x_refsource_MISC | |
| http://osvdb.org/71750 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/44156 | third-party-advisoryx_refsource_SECUNIA | |
| http://support.avaya.com/css/P8/documents/100133352 | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/47212 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1025345 | vdb-entryx_refsource_SECTRACK | |
| http://www.us-cert.gov/cas/techalerts/TA11-102A.html | third-party-advisoryx_refsource_CERTUS Government Resource | |
| http://www.vupen.com/english/advisories/2011/0952 | vdb-entryx_refsource_VUPEN | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-034 | vendor-advisoryx_refsource_MS | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/66417 | vdb-entryx_refsource_XF | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12302 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.