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CVE-2009-2494: microsoft windows_2000 Code Injection

CVSS: 10.0v2.0HighModified
Published 12-08-2009Last modified 21-01-2025
Open JSON

Vulnerability summary

CVE-2009-2494 is a high (CVSS 10.0) Code Injection vulnerability in microsoft windows_2000. EPSS estimates a 42.33% chance of exploitation in the next 30 days, higher than 98.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
42.33%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-08-2009
    PublishedVulnerability first disclosed.
  2. 21-01-2025
    Last modifiedVulnerability information updated.

Description

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."

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

42.33%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

0.00 pp

From 42.33% on 20-09-2026

20-09-202620-10-2026
EPSS score
42.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft4 products

1 vendor · 4 products

References

9 links