The Web Services on Devices API (WSDAPI) in Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2 does not properly process the headers of WSD messages, which allows remote attackers to execute arbitrary code via a crafted (1) message or (2) response, aka "Web Services on Devices API Memory Corruption Vulnerability."
CVE-2009-2512
CRITICALNVD 9.89.8—Elevated
EchelonGraph scoreMEDIUM confidence
Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-02. NVD baseline CVSS 9.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 31%CVSS: 9.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 98.1%
- KEV
- Not listed
Published
November 11, 2009
Last Modified
April 23, 2026
Advisory Details (1)
Auto-updated May 12, 2026🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available
Microsoft Security Bulletin MS09-063 - Critical | Microsoft Learn
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-063Data Freshness Timeline
(refreshed 3× in last 7d / 29× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(5)
What is CVE-2009-2512?
CVE-2009-2512 is a critical vulnerability published on November 11, 2009. The Web Services on Devices API (WSDAPI) in Windows Vista Gold, SP1, and SP2 and Server 2008 Gold and SP2 does not properly process the headers of WSD messages, which allows remote attackers to execute arbitrary code via a crafted (1) message or (2) response, aka "Web Services on Devices API Memory…
When was CVE-2009-2512 disclosed?
CVE-2009-2512 was first published in the National Vulnerability Database on November 11, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2009-2512 actively exploited?
CVE-2009-2512 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2009-2512?
CVE-2009-2512 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2009-2512?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-2512, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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