CVE-2009-1132

Heap-based buffer overflow in the Wireless LAN AutoConfig Service (aka Wlansvc) in Microsoft Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2 allows remote attackers to execute arbitrary code via a malformed wireless frame, aka "Wireless Frame Parsing Remote Code Execution Vulnerability."

Published: 2009-09-08 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-1132 is rated High Risk (67.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 39.22%, 97th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-1132

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-27 43.03% 39.22% -3.81%
2 2026-01-28 45.55% 43.03% -2.52%
3 2025-05-27 45.55%

Full EPSS history (27 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1132

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2009-1132

Affected software / configurations for CVE-2009-1132

Vendor Product Version Raw CPE
microsoft windows_server_2008 cpe:2.3:o:microsoft:windows_server_2008:-:-:x32:*:*:*:*:*
microsoft windows_server_2008 cpe:2.3:o:microsoft:windows_server_2008:-:-:x64:*:*:*:*:*
microsoft windows_server_2008 cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x64:*:*:*:*:*
microsoft windows_server_2008 cpe:2.3:o:microsoft:windows_server_2008:-:sp2:x86:*:*:*:*:*
microsoft windows_vista cpe:2.3:o:microsoft:windows_vista:*:*:*:*:*:*:*:*
microsoft windows_vista cpe:2.3:o:microsoft:windows_vista:*:sp1:*:*:*:*:*:*
microsoft windows_vista cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*
microsoft windows_vista cpe:2.3:o:microsoft:windows_vista:-:-:x64:*:*:*:*:*
microsoft windows_vista cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*
microsoft windows_vista cpe:2.3:o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*

References for CVE-2009-1132

cvelogic Threat Intelligence