Is CVE-2009-2524 in the CISA KEV catalog?

No. CVE-2009-2524 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-2524?

CVE-2009-2524 has a CVSS v2 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2009-2524?

CVE-2009-2524 has an EPSS score of 28.26% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2009-2524

HIGHEPSS 98th pctl

7.8

CVSS v2

NVD

Description

Integer underflow in the NTLM authentication feature in the Local Security Authority Subsystem Service (LSASS) in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows remote attackers to cause a denial of service (reboot) via a malformed packet, aka "Local Security Authority Subsystem Service Integer Overflow Vulnerability."

CWE-189

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

28.26%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.