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, and R2, and Windows 7 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Win32k Improper User Input Validation Vulnerability."
Published Feb 9, 2011
7.2
HIGHCVSS 2.0
EPSS 1.68%
Description
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, and R2, and Windows 7 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Win32k Improper User Input Validation Vulnerability."
Affected products
No data.
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
- n/a
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.68% (0.01676) | 76.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.68% (0.01676) | 73.79th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.07% (0.01074) | 76.23th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00055) | 24.91th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.06% (0.00055) | 23.00th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00055) | 20.97th | 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 (6)
- http://osvdb.org/70818 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/43255 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/46141 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2011/0325 vdb-entryx_refsource_VUPENVendor Advisory
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-012 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12070 vdb-entrysignaturex_refsource_OVAL
| Link | Providers | Tags |
|---|---|---|
| http://osvdb.org/70818 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/43255 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/46141 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2011/0325 | vdb-entryx_refsource_VUPENVendor Advisory | |
| https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-012 | vendor-advisoryx_refsource_MS | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12070 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.