NULL pointer dereference in Microsoft Windows 7
CVE-2011-1887
win32k.sys in the kernel-mode drivers in Microsoft 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 triggers a NULL pointer dereference, a different vulnerability than other CVEs listed in MS11-054, aka "Win32k Null Pointer De-reference Vulnerability."
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securityfocus.com/bid/48601 (vdb-entry)
- osvdb.org/73789 (vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054 (vendor-advisory)
- support.avaya.com/css/P8/documents/100144947
- www.us-cert.gov/cas/techalerts/TA11-193A.html (US Government Resource, third-party-advisory)
- secunia.com/advisories/45186 (third-party-advisory)
- www.securitytracker.com/id (vdb-entry)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:12711 (signature, vdb-entry)
Frequently asked questions
- What is CVE-2011-1887?
- CVE-2011-1887 is a high-severity vulnerability in Microsoft Windows 7, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2011-07-13.
- How severe is CVE-2011-1887?
- High severity. CVSS v3 base score is 7.8 out of 10.