Is CVE-2009-1928 in the CISA KEV catalog?

No. CVE-2009-1928 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-1928?

CVE-2009-1928 has a CVSS v2 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2009-1928?

CVE-2009-1928 has an EPSS score of 30.02% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2009-1928

HIGHEPSS 98th pctl

7.8

CVSS v2

NVD

Description

Stack consumption vulnerability in the LDAP service in Active Directory on Microsoft Windows 2000 SP4, Server 2003 SP2, and Server 2008 Gold and SP2; Active Directory Application Mode (ADAM) on Windows XP SP2 and SP3 and Server 2003 SP2; and Active Directory Lightweight Directory Service (AD LDS) on Windows Server 2008 Gold and SP2 allows remote attackers to cause a denial of service (system hang) via a malformed (1) LDAP or (2) LDAPS request, aka "LSASS Recursive Stack Overflow Vulnerability."

CWE-399

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

30.02%probability of exploitation in 30 days

98thpercentile

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

References

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.