Microsoft Windows XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote attackers to cause a denial of service (system hang) via a series of Pragmatic General Multicast (PGM) packets with invalid fragment options, aka the "PGM Malformed Fragment Vulnerability."
CVE-2008-1441
“—” beside the score: it is equal to NVD's CVSS v2 base score.
This CVE was only ever scored under CVSS v2.0. NVD CVSS v2.0 base 5.4 — NVD rates that MEDIUM (NVD's v2 bands: LOW 0.0–3.9 / MEDIUM 4.0–6.9 / HIGH 7.0–10.0; no CRITICAL band). Vector AV:N/AC:H/Au:N/C:N/I:N/A:C. CVSS v2 is an older, coarser metric than v3.1/v4.0 (no Scope, no User Interaction, no Attack Requirements), so it is not directly comparable to a v3 or v4 score. NVD has never re-scored this record under v3. EPSS predicts 20% exploitation probability in the next 30 days; it does not lift the v2 base. EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated) sets EG Risk's exploitation input, not EPSS. Confidence: LOW.
- Lower severity and no public exploit yet
No fix has been recorded since the CVE record was published in 2008 — if the vendor still supports the product, apply the fixed version it names; if not, isolate the affected system (restrict network access to it, for example with a firewall, or keep it off the internet) or retire the product.
- CVSS v2.0 (legacy)
- 5.4MEDIUMNVD never assigned a CVSS v3 rating to this CVE
- EG Score
- 5.4MEDIUMlow confidence
- EG Risk
- 45EG Risk 45/100
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computed (value × EchelonGraph’s weight)Severity54% × 45%The EG Score, 5.4 of 10.Exploitation40% × 40%EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.Automatability30% × 15%EchelonGraph's default before algorithm v3.4: CISA had not published Automatable for this CVE.SSVC (CISA's decision table, applied by EchelonGraph): Track at low, Track or Track* at medium and Track* or Attend at high mission impact.Exploitation public PoC (EG-KEV: elevated) · Automatable unknown (not published for this CVE) · Technical impact unknown (not published for this CVE). EchelonGraph holds no SSVC assessment of this CVE from CISA: none of these inputs is from Vulnrichment. EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.Action: No fix has been recorded since the CVE record was published in 2008. If the vendor still supports the product, apply the fixed version it names within your standard update timelines at low or medium mission impact and sooner than that at high; if it no longer does, isolate the affected system (restrict network access to it, for example with a firewall, or keep it off the internet) or retire the product. - EPSS PROB
- 20%
- EPSS %ILE
- 97th
- KEV
- Not listed
SSVC (CISA's decision table, applied by EchelonGraph)Track at low, Track or Track* at medium and Track* or Attend at high mission impact.
No fix has been recorded since the CVE record was published in 2008. If the vendor still supports the product, apply the fixed version it names within your standard update timelines at low or medium mission impact and sooner than that at high; if it no longer does, isolate the affected system (restrict network access to it, for example with a firewall, or keep it off the internet) or retire the product.
Exploitation public PoC (EG-KEV: elevated) · Automatable unknown (not published for this CVE) · Technical impact unknown (not published for this CVE). EchelonGraph holds no SSVC assessment of this CVE from CISA: none of these inputs is from Vulnrichment. EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table
Published
June 12, 2008
Last Modified
April 23, 2026
References (7)
- secure@microsoft · CVE Programhttp://secunia.com/advisories/30587 (archived copy: the site no longer serves it)Third Party Advisory
- secure@microsoft · CVE Programhttp://securitytracker.com/id?1020231Third Party Advisory · VDB Entry
- secure@microsoft · CVE Programhttp://www.securityfocus.com/bid/29509 (archived copy: the site no longer serves it)Third Party Advisory · VDB Entry
- secure@microsoft · CVE Programhttp://www.us-cert.gov/cas/techalerts/TA08-162B.htmlThird Party Advisory · US Government Resource
- secure@microsoft · CVE Programhttp://www.vupen.com/english/advisories/2008/1783Broken Link
- secure@microsoft · CVE Programhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-036
- secure@microsoft · CVE Programhttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5604Third Party Advisory
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 17× in last 30d)
Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.
Showing the most recent 79 of 96 refreshes on record for this CVE.
A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 21 repeat rows among the latest 100 are merged into the row they repeat. The 17 oldest rows on record are not shown and were not checked, so the counts can still include repeats.
- 2026-10-11 13:38 UTCEPSS rescoreEPSS 20% · 97th percentile
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- 2026-07-26 13:35 UTCEG score recomputeFirst assessed: 5.4 MEDIUM
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Related CVEs(same CWE)
Same CWE
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Frequently asked(4)
What is CVE-2008-1441?
When was CVE-2008-1441 made public?
Is CVE-2008-1441 actively exploited?
How do I remediate CVE-2008-1441?
Dependency Blast Radius
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