CVE Watch—

CVE-2008-4250

Microsoft Windows Buffer Overflow Vulnerability

CVSS

—

No CVSS

EPSS

98.8%

p100

KEV

YES

May 20, 2026

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

98.8%EPSS · 30 days98.8%

2026-06-302026-07-16

KEV catalog record

Product

Microsoft / Windows

Vulnerability

Microsoft Windows Buffer Overflow Vulnerability

Added to KEV

May 20, 2026

Remediate by

Jun 3, 2026

Known ransomware use

Summary description

Microsoft Windows contains a buffer overflow vulnerability in the Windows Server Service that allows remote attackers to execute arbitrary code via a crafted RPC request that triggers an overflow during path canonicalization.

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.

Notes

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

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