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CVE-2009-0080

MEDIUM · CVSS 6.9EPSS 2.4%EU EUVD

The ThreadPool class in Windows Vista Gold and SP1, and Server 2008, does not properly implement isolation among a set of distinct processes that (1) all run under the NetworkService account or (2) all run under the LocalService account, which allows local users to gain privileges by leveraging incorrect thread ACLs to access the resources of one of the processes, aka "Windows Thread Pool ACL Weakness Vulnerability."

Key facts

CVSS score
6.9 (v2.0)
Severity
MEDIUM
CVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-269
EPSS score
2.4% (83th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-0089)
Published
April 15, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-0089 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • microsoft / windows server 2008
  • microsoft / windows vista
  • microsoft / windows vista
  • microsoft / windows vista
  • microsoft / windows vista

Certified products that may be affected

17 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

See all 17 in the Security Certifications Explorer.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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CVE-2009-0080: MEDIUM severity (CVSS 6.9)