HIGH
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, aka "Win32k Null Pointer De-reference Vulnerability."
Published Apr 13, 2011
7.2
HIGHCVSS 2.0
EPSS 1.40%
Description
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, aka "Win32k Null Pointer De-reference Vulnerability."
Affected products
No data.
- 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.
7.2 HIGH NVD
AV:L/AC:L/Au:N/C:C/I:C/A:C
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.40% 0.01398
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01398
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 | 1.40% (0.01398) | 71.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.40% (0.01398) | 68.81th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.52% (0.00520) | 64.83th | 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) |
Weaknesses (0)
No CWE recorded.
References (10)
- http://blogs.technet.com/b/srd/archive/2011/04/12/ms11-034-addressing-vulnerabilities-in-the-win32k-subsystem.aspx x_refsource_MISC
- 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/47234 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/66402 vdb-entryx_refsource_XF
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12546 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://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/47234 | 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/66402 | vdb-entryx_refsource_XF | |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12546 | vdb-entrysignaturex_refsource_OVAL |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner microsoft
Published Apr 13, 2011
Updated Aug 6, 2024
Reserved Jan 28, 2011
Link CVE-2011-0673
CISA Vulnrichment
Updated n/a