7.8

CVE-2009-1926: microsoft windows_2000

CVSS: 7.8v2.0HighModified
Published 08-09-2009Last modified 17-10-2024
Open JSON

Vulnerability summary

CVE-2009-1926 is a high (CVSS 7.8) vulnerability in microsoft windows_2000. EPSS estimates a 35.04% chance of exploitation in the next 30 days, higher than 98.4% of scored vulnerabilities.

Overall risk
38/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
35.04%
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. 08-09-2009
    PublishedVulnerability first disclosed.
  2. 17-10-2024
    Last modifiedVulnerability information updated.

Description

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."

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

35.04%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 35.04% on 20-09-2026

20-09-202620-10-2026
EPSS score
35.04%

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

No weakness data has been published for this record.

Affected systems

Microsoft3 products

1 vendor · 3 products

References

7 links