Is CVE-2009-1929 in the CISA KEV catalog?

No. CVE-2009-1929 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-1929?

CVE-2009-1929 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2009-1929?

CVE-2009-1929 has an EPSS score of 34.53% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2009-1929

HIGHEPSS 98th pctl

9.3

CVSS v2

NVD

Description

Heap-based buffer overflow in the Microsoft Terminal Services Client ActiveX control running RDP 6.1 on Windows XP SP2, Vista SP1 or SP2, or Server 2008 Gold or SP2; or 5.2 or 6.1 on Windows XP SP3; allows remote attackers to execute arbitrary code via unspecified parameters to unknown methods, aka "Remote Desktop Connection ActiveX Control Heap Overflow Vulnerability."

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

34.53%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.