RCE in Microsoft Windows 2000

CVE-2009-2494

The Active Template Library (ATL) in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allows remote attackers to execute arbitrary code via vectors related to erroneous free operations after reading a variant from a stream and deleting this variant, aka "ATL Object Type Mismatch Vulnerability."

Vulnerability class: RCE (Remote Code Execution)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.423 (98.7th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2009-2494: held from 0.423 to 0.423.

EPSS over last 30 days · oldest: 0.423 · newest: 0.423 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2009-2494?
CVE-2009-2494 is a critical-severity vulnerability in Microsoft Windows 2000, classified under Code Injection. CVSS score: 9.8/10. Published 2009-08-12.
How severe is CVE-2009-2494?
Critical severity. CVSS v3 base score is 9.8 out of 10.