Microsoft Windows Buffer Overflow Vulnerability
n/a — n/a
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."
9.8
98.8%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- Oct 23, 2008
- Modified
- May 21, 2026
- Added to KEV
- May 20, 2026
- Federal patch due
- Jun 3, 2026
CISA 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.
Weakness classification
Proof-of-concept & exploitation references
Weaponization
Public repositories whose name or description references CVE-2008-4250, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
No public GitHub repositories referencing CVE-2008-4250 were found at last check. Absence here is not proof no exploit exists - see the references below for vendor advisories and write-ups.
References
Frequently asked questions
What is CVE-2008-4250?
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."
How severe is CVE-2008-4250?
CVE-2008-4250 has a CVSS base score of 9.8 out of 10 (CVSS 3.1).
Is CVE-2008-4250 actively exploited in the wild?
Yes. CVE-2008-4250 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added May 20, 2026, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2008-4250?
98.8% - meaning FIRST.org's EPSS model estimates a 98.8% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).
What type of vulnerability is CVE-2008-4250?
CVE-2008-4250 is classified under CWE-119 (CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer).
Cross-checked against
Impactr finds and proves whether CVE-2008-4250 - or flaws like it - are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.
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