Page generated: 08 Nov 2026, 08:00 UTC
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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 explo…

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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."
CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
9.0/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 98.75%: +0.49

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 11 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Barracuda Blog
Press · 25 Jul 2026, 07:00 · The KEV gap: how fast do exploited bugs get flagged? - Barracuda Blog
Recorded Future
Press · 08 Jun 2026, 07:00 · May 2026 CVE Landscape - Recorded Future
The Hacker News
Press · 21 May 2026, 07:00 · Microsoft Warns of Two Actively Exploited Defender Vulnerabilities - The Hacker News
SecurityWeek
Press · 21 May 2026, 07:00 · Microsoft Patches Exploited UnDefend and RedSun Defender Zero-Days - SecurityWeek
Industrial Cyber
Press · 31 Oct 2024, 07:00 · Detecting OT Cybersecurity Threats Using the Known-Unknown Matrix - Industrial Cyber
See all 11 source documents
Arctic Wolf
Press · 14 Apr 2022, 07:00 · Recommendations for CVE-2022-26809 - Arctic Wolf
Bitdefender
Press · 02 Apr 2020, 07:00 · Hypervisor Introspection blocks EternalDarkness/SMBGhost Privilege Escalation Exploit (CVE-2020-0796) - Bitdefender
www.trendmicro.com
Press · 07 Dec 2017, 08:00 · Examining CONFICKER/DOWNAD's Impact on Legacy Systems - www.trendmicro.com
Rapid7
Press · 05 Jun 2012, 07:00 · Exploit Trends: CCTV DVR & PHP CGI - Rapid7
Rapid7
Press · 22 May 2012, 07:00 · Top 10 Most Searched Metasploit & Auxiliary Modules - Rapid7
CircleID
Press · 06 Nov 2009, 08:00 · The Story of Conficker and the Industry Response - CircleID

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:11). The curve appears once the score changes.

Public exploit evidence

6

Public exploit entries / repo candidates

Source entries and unverified repository candidates are counted separately.

Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 98.8%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:57:20.402472+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
23 Oct 2008, 21:00
First press mention
06 Nov 2009, 08:00
Added to the CISA KEV catalog
20 May 2026, 00:00
Latest press mention
25 Jul 2026, 07:00
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
6 repositories