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 SP2, Windows Server 2008 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, aka "Win32k Use After Free Vulnerability."
Published Oct 12, 2011
7.2
HIGHCVSS 2.0
EPSS 1.79%
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 SP2, Windows Server 2008 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, 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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.79% (0.01787) | 77.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.79% (0.01787) | 75.39th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.43% (0.00425) | 60.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00052) | 22.11th | v3 (v2023.03.01) |
| May 6, 2024 | 0.05% (0.00052) | 19.27th | v3 (v2023.03.01) |
| Feb 18, 2024 | 0.05% (0.00052) | 17.27th | v3 (v2023.03.01) |
| Oct 30, 2023 | 0.06% (0.00063) | 25.37th | v3 (v2023.03.01) |
| Sep 6, 2023 | 0.08% (0.00084) | 34.70th | v3 (v2023.03.01) |
| Jul 10, 2023 | 0.07% (0.00065) | 26.81th | v3 (v2023.03.01) |
| May 11, 2023 | 0.06% (0.00057) | 21.77th | v3 (v2023.03.01) |
| Mar 8, 2023 | 0.06% (0.00063) | 25.43th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00054) | 19.60th | 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 (4)
- http://www.securityfocus.com/bid/49981 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1026165 vdb-entryx_refsource_SECTRACK
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-077 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12904 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/49981 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1026165 | vdb-entryx_refsource_SECTRACK | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-077 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12904 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.