CVE-2009-1926 in the critical feed json
Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allow remote attackers…
published 2009-09-08 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1921
- cvss
- 7.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 35.0%
- EPSS 35.0% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista Gold, SP1, and SP2, and Server 2008 Gold and SP2 allow remote attackers to cause a denial of service (TCP outage) via a series of TCP sessions that have pending data and a (1) small or (2) zero receive window size, and remain in the FIN-WAIT-1 or FIN-WAIT-2 state indefinitely, aka "TCP/IP Orphaned Connections Vulnerability."
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
35.04% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2009/ms09-048
vendor-advisory
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5965
vdb-entry, signature
- recurity-labs.com /content/pub/Microsoft_Windows_CVE-2009-1926
-
securityfocus.com
/bid/36269
vdb-entry
-
osvdb.org
/57797
vdb-entry
-
us-cert.gov
/cas/techalerts/TA09-251A.html
third-party-advisory, us-government-resource
-
securityfocus.com
/archive/1/506331/100/0/threaded
mailing-list
Sources
- CVE List CVE-2009-1926
- NVD CVE-2009-1926
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