CVE-2009-2523 in the critical feed json
The License Logging Server (llssrv.exe) in Microsoft Windows 2000 SP4 allows remote attackers to execute arbitrary code via an RPC message…
published 2009-11-11 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2518
- cvss
- 10.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 26.5%
- EPSS 26.5% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
The License Logging Server (llssrv.exe) in Microsoft Windows 2000 SP4 allows remote attackers to execute arbitrary code via an RPC message containing a string without a null terminator, which triggers a heap-based buffer overflow in the LlsrLicenseRequestW method, aka "License Logging Server Heap Overflow Vulnerability."
Patch / fix
Exploit prediction
26.46% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2009/ms09-064
vendor-advisory, mitigation, patch
-
us-cert.gov
/cas/techalerts/TA09-314A.html
third-party-advisory, us-government-resource
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6300
vdb-entry, signature, broken-link
Sources
- CVE List CVE-2009-2523
- NVD CVE-2009-2523
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