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CVE-2011-1886
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 does not properly validate the arguments to functions, which allows…
Low2.1EPSS 1.9%
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3 does not properly validate the arguments to functions, which allows local users to read arbitrary data from kernel memory via a crafted application that triggers a NULL pointer dereference, aka "Win32k Incorrect Parameter Validation Allows Information Disclosure Vulnerability."
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.9% · top 21% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (8)
- MS11-054 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 48607 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://support.avaya.com/css/P8/documents/100144947 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 73791 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- TA11-193A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- 45186 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:12778 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 1025761 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .