Vulnerability report

Exploited in the wild Confirmed confidence In CISA KEV

CVE-2008-4250

Windows

Microsoft / Windows

Severity
CVSS 9.8 · Critical
Confidence
Confirmed
Exploit status
Exploited in the wild
EPSS
98.8%
First observed
Last observed

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2008-4250 is an unauthenticated vulnerability affecting Microsoft Windows. 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...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Microsoft / Windows.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Windows

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."

View vendor advisory (opens in new tab)
Published
23 Oct 2008
Exploitation Reported
23 Oct 2008
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

cisa windows microsoft

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2008-4250
  • SSRT080164 marc.info · Vendor Advisory http://marc.info/?l=bugtraq&m=122703006921213&w=2
  • MS08-067 docs.microsoft.com · Vendor Advisory https://docs.microsoft.com/en-us/security-updates/securitybulletins/2...
  • 32326 secunia.com · Third-Party Advisory http://secunia.com/advisories/32326
  • VU#827267 kb.cert.org · Third-Party Advisory http://www.kb.cert.org/vuls/id/827267
  • TA08-297A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/cas/techalerts/TA08-297A.html
  • TA09-088A us-cert.gov · Third-Party Advisory http://www.us-cert.gov/cas/techalerts/TA09-088A.html
  • 7132 exploit-db.com · Exploit https://www.exploit-db.com/exploits/7132
  • 6841 exploit-db.com · Exploit https://www.exploit-db.com/exploits/6841
  • 6824 exploit-db.com · Exploit https://www.exploit-db.com/exploits/6824
  • 7104 exploit-db.com · Exploit https://www.exploit-db.com/exploits/7104
  • 1021091 securitytracker.com · VDB Entry http://www.securitytracker.com/id?1021091
  • 31874 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/31874
  • ADV-2008-2902 vupen.com · VDB Entry http://www.vupen.com/english/advisories/2008/2902
  • win-server-rpc-code-execution(46040) exchange.xforce.ibmcloud.com · VDB Entry https://exchange.xforce.ibmcloud.com/vulnerabilities/46040
  • oval:org.mitre.oval:def:6093 oval.cisecurity.org · VDB Entry https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.m...
  • 20081026 Windows RPC MS08-067 FAQ document released securityfocus.com · Mailing List http://www.securityfocus.com/archive/1/497808/100/0/threaded
  • 20081027 Windows RPC MS08-067 FAQ document updated securityfocus.com · Mailing List http://www.securityfocus.com/archive/1/497816/100/0/threaded
  • blogs.securiteam.com/index.php/archives/1150 blogs.securiteam.com · CVE Record http://blogs.securiteam.com/index.php/archives/1150

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CVE

Recorded 23 Oct 2008

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

Learn about Pro API access
Source Added
CVE First 2008-10-23 21:00 UTC
CISA 2026-06-02 14:00 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
0
User-Agents
0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

All CVSS Scores

CVSS v3.1 9.8 Critical

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

CVSS v2.0 10.0 High

AV:N/AC:L/Au:N/C:C/I:C/A:C

Timeline

From disclosure to observed exploitation

  1. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  2. Added to KEV Intelligence KEV Feed

    High-confidence, third-party attested exploitation

  3. CVE published

    Vulnerability disclosed publicly

  4. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2008-4250

Free JSON includes basic KEV fields
{
  "cve_id": "CVE-2008-4250",
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.98751,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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