CVE-2008-4250

CRITICAL
9.8
CVSS Score
Published: October 23, 2008 at 09:00 PM UTC
Updated: June 16, 2026 at 10:57 PM UTC
5 products affected across 1 vendorWindows Server 2008Windows XpWindows Vista

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Severity
CRITICAL9.8
Exploitation
CISA KEV
Exploit prediction
EPSS 99%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score98.8%

EPSS (Exploit Prediction Scoring System) estimates a 98.8% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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.
Ransomware Use
Unknown
Added to KEV
May 20, 2026
Remediation Due
Jun 3, 2026
146 days overdue

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."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (19)

Vendor Advisoryx_refsource_HPIssue TrackingMailing ListThird Party Advisory
http://marc.info/?l=bugtraq&m=122703006921213&w=2
Third Party Advisoryx_refsource_SECUNIAPatchVendor Advisory
http://secunia.com/advisories/32326
Third Party Advisoryx_refsource_CERT-VNUS Government Resource
http://www.kb.cert.org/vuls/id/827267
Mailing Listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
http://www.securityfocus.com/archive/1/497808/100/0/threaded
Mailing Listx_refsource_BUGTRAQBroken LinkThird Party AdvisoryVDB Entry
http://www.securityfocus.com/archive/1/497816/100/0/threaded
VDB Entryx_refsource_BIDBroken LinkExploitPatchThird Party Advisory
http://www.securityfocus.com/bid/31874
VDB Entryx_refsource_SECTRACKBroken LinkThird Party Advisory
http://www.securitytracker.com/id?1021091

SSVC — Action Prioritization

SSVCActiveAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICALCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-94CWE-119

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