Vulnerability report

Exploitation attempts observed in the wild Confirmed confidence In CISA KEV

CVE-2008-4250

Windows

Microsoft / Windows

Severity
CVSS 9.8 · Critical
Confidence
Confirmed
Exploit status
Exploitation attempts observed 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...

Have exploitation attempts been observed?

Yes. Exploitation attempts have been reported for this vulnerability. Previdian lists it as a known exploited vulnerability. Listed in CISA KEV. Also reported by third-party sources. 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 Attempts Reported
23 Oct 2008
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

cisa windows microsoft metasploit_scanner

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

Evidence of exploitation attempts

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

Exploitation attempts observed in the wild

CVE

Recorded 23 Oct 2008

A trusted third party reported exploitation attempts.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian 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.

Virtual patch status

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

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical

Potential damage if exploited. Separate from whether attackers are using it.

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

EPSS

98.8%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

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 attempts

  1. 14:00 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  2. 00:00 UTC

    Metasploit module available

    Exploit module available

  3. 21:00 UTC

    Added to Previdian KEV Feed

    High-confidence, third-party report of exploitation attempts

  4. 21:00 UTC

    CVE published

    Vulnerability disclosed publicly

  5. 00:00 UTC

    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

Sample API response
{
  "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 }
}