CVE-2011-1880
CVE-2011-1880 is a high-severity vulnerability in Microsoft Windows 2003 Server with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 2.0 base score 7.2)
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Windows 2003 Server
- Published:
- Last modified:
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, 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."
Frequently asked questions
- What is CVE-2011-1880?
- 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, 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."
- How severe is CVE-2011-1880?
- CVE-2011-1880 has a CVSS 2.0 base score of 7.2, rated high severity.
- Is CVE-2011-1880 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-1880?
- CVE-2011-1880 primarily affects Microsoft Windows 2003 Server. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2011-1880?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2011-1880 published?
- CVE-2011-1880 was published on 2011-07-13 and last updated on 2026-06-16.
References
- http://osvdb.org/73786
- http://secunia.com/advisories/45186
- http://support.avaya.com/css/P8/documents/100144947
- http://www.securityfocus.com/bid/48597
- http://www.securitytracker.com/id?1025761
- http://www.us-cert.gov/cas/techalerts/TA11-193A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12000
Affected products (17)
- cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:*:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:*:x32:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:*:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x32:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:itanium:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2008:r2:*:x64:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*
More vulnerabilities in Microsoft Windows 2003 Server
- CVE-2011-1868 — Critical (CVSS 10.0): The Distributed File System (DFS) implementation in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2 does not…
- CVE-2011-1268 — Critical (CVSS 10.0): The SMB client in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server…
- CVE-2011-0661 — Critical (CVSS 10.0): The SMB Server service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows…
- CVE-2011-0654 — Critical (CVSS 10.0): Integer underflow in the BowserWriteErrorLogEntry function in the Common Internet File System (CIFS) browser service in…
- CVE-2010-2550 — Critical (CVSS 10.0): The SMB Server in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server…
- CVE-2010-0476 — Critical (CVSS 10.0): The SMB client in Microsoft Windows Server 2003 SP2, Vista Gold, SP1, and SP2, and Windows Server 2008 Gold and SP2…