How severe is CVE-2008-4250?

CVE-2008-4250 has a CVSS 3.1 base score of 9.8 (CRITICAL). EPSS estimates a 98.8% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2008-4250: Microsoft Windows Buffer Overflow Vulnerability

CISA Known Exploited Vulnerabilities

Microsoft Windows Buffer Overflow Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2026-05-20

Remediation due

2026-06-03

Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA notes
https://learn.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-067 ; https://nvd.nist.gov/vuln/detail/CVE-2008-4250

Description

The Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, Server 2008, and 7 Pre-Beta allows remote attackers to execute arbitrary code via a crafted RPC request that triggers the overflow during path canonicalization, as exploited in the wild by Gimmiv.A in October 2008, aka "Server Service Vulnerability."

Severity

CVSS 3.1 · CISA9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
-	-	n/a

References

18 Links

Vendor advisories

Exploits & PoCs

Third-party advisories

Mailing lists

Vulnerability databases

Other references

http://blogs.securiteam.com/index.php/archives/1150

Record Details

Published

2008-10-23

Last updated

2026-05-21

Assigner (CNA)

microsoft

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.