CVE-2009-0080

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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."

CVSS v3
—
EG Score
0.0(none)
EPSS
81.7%
KEV
Not listed

Published

April 15, 2009

Last Modified

April 23, 2026

References (12)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 42× 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.

  1. 2026-07-06 16:23 UTCEPSS rescore
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  36. 2026-05-30 17:15 UTCEG score recompute
  37. 2026-05-30 17:15 UTCGHSA enrichment
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  48. 2026-05-24 16:43 UTCEPSS rescore
  49. 2026-05-22 21:15 UTCEPSS rescore
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  51. 2026-05-20 22:37 UTCEPSS rescore
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  55. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-32893✓ verified
    First seen Apr 14, 2009

    Microsoft Windows Vista/2008 - Thread Pool ACL Privilege Escalation

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2009-0080?
CVE-2009-0080 is a none vulnerability published on April 15, 2009. 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…
When was CVE-2009-0080 disclosed?
CVE-2009-0080 was first published in the National Vulnerability Database on April 15, 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-2009-0080 actively exploited?
CVE-2009-0080 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2009-0080?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-0080, 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.

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