Skip to content
Fencer Vulns
high 7.1

CVE-2009-3020 in the critical feed json

win32k.sys in Microsoft Windows Server 2003 SP2 allows remote attackers to cause a denial of service (system crash) by referencing a crafte…

published 2009-08-31 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3004

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.7%
EPSS 16.7% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

win32k.sys in Microsoft Windows Server 2003 SP2 allows remote attackers to cause a denial of service (system crash) by referencing a crafted .eot file in the src descriptor of an @font-face Cascading Style Sheets (CSS) rule in an HTML document, possibly related to the Embedded OpenType (EOT) Font Engine, a different vulnerability than CVE-2006-0010, CVE-2009-0231, and CVE-2009-0232. NOTE: some of these details are obtained from third party information.

Timeline

  1. First public exploit (EDB-9417)
  2. Published

Exploit prediction

16.71% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-9417 Microsoft Windows Server 2003 - '.EOT' Blue Screen of Death Crash dos, 2009-08-11
  • milw0rm.com http://milw0rm.com/sploits/2009-wwbsod.zip referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/36029 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.