Is CVE-2008-4250 in the CISA KEV catalog?

Yes. CVE-2008-4250 is on the CISA Known Exploited Vulnerabilities list, added 2026-05-20.

What is the CVSS severity of CVE-2008-4250?

CVE-2008-4250 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2008-4250?

CVE-2008-4250 has an EPSS score of 98.75% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2008-4250?

No published fix for CVE-2008-4250 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2026-06-03. Apply the vendor's mitigations per CISA's guidance.

CVE & CISA-KEV Catalog

CVE-2008-4250

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

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."

CWE-94Code Injection CWE-119Buffer Overflow

How to fix

Actively exploited, no published fix found yet

Federal remediation due: 2026-06-03

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

98.75%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-06-03

References

Patch3

Exploit4

Vendor Advisory1

vupen.com

Third-Party Advisory9

Government Resource1

cisa.gov

Other references1

blogs.securiteam.com

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-3248	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-21.