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Full vulnerability report · 2025
CVE-2025-64673High confidence

Windows Storage VSP Driver Elevation of Privilege Vulnerability

Microsoft · Windows 10 Version 1809

7.8HighCVSS 3.1
Recommended action
Within 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Select the national-authority views to include. The exact source language is shown on each matched advisory. Your choice is remembered on this device and encoded in the shareable URL.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2025-202234

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
Not supplied in the stored EUVD record
Advisory evidence
No linked advisory details stored yet
Recommended actionWithin 7 days

High technical severity; prioritise exposed affected systems while verifying vendor guidance.

Fix not verified
01

What, why and how

Improper access control in Storvsp.sys Driver allows an authorized attacker to elevate privileges locally.

What

Improper access control in Storvsp.sys Driver allows an authorized attacker to elevate privileges locally.

Why

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.

What

Improper access control in Storvsp.sys Driver allows an authorized attacker to elevate privileges locally.

Why

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may gain additional privileges.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
local access → Improper Access Control → gain additional privileges
Attack surface
Local
Privileges required
Low: a basic authenticated account is required
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration: a standard category for the underlying weakness.
CWE-284 ↗

CWE-284: Improper Access Control. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVLocalAttack vector: The attacker needs local access to the vulnerable system.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRLowPrivileges required: The attacker needs basic user-level privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CHighConfidentiality impact: A successful attack can cause a major loss.IHighIntegrity impact: A successful attack can cause a major loss.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
The issue can support a local privilege or sandbox boundary transition; normal system utilities may then be available in the gained context.
Privilege escalationCWE-284
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

BSI · German · WID-SEC-W-2025-2781Microsoft Windows: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows und Microsoft Windows Server ausnutzen, um beliebigen Programmcode auszuführen, Rechte zu eskalieren, vertrauliche Informationen auszulesen oder den Host zum Absturz zu bringen.

Official advisory
CERT-FR · French · CERTFR-2025-AVI-1092Multiples vulnérabilités dans Microsoft Windows

u 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-62569 du 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-62570 du 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-62571 du 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-62572 du 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-62573 du 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-64658 du 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-64661 du 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-64670 du 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-64673 du 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-64678 du 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-64679 du 09 décembre 2025 Bulletin de sécurité Microsoft Windows CVE-2025-64680 du 09 décembre 2025 Une gestion de version détaillée se trouve à la fin de ce document. Risques Atteinte à la confidentialité des données Déni de service à distance Exécution de code arbitraire à distance Élévation de privilèges Systèmes affectés Windows 10 pour systèmes 32 bits versions antérieures à 10.0.10240.21161 Windows 10 pour systèmes x64 versions antérieures à 10.0.10240.21161 Windows 10 Version 1607 pour systèmes

Official advisory
NCSC-NL · Dutch · NCSC-2025-0383Kwetsbaarheden verholpen in Microsoft Windows

The Storvsp.sys Driver contains an improper access control vulnerability that allows an authorized attacker to locally elevate their privileges.

Official advisory
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix not verified
Affected
10.0.17763.0 < 10.0.17763.8146; 10.0.19044.0 < 10.0.19044.6691; 10.0.19045.0 < 10.0.19045.6691; 10.0.22631.0 < 10.0.22631.6345; 10.0.26100.0 < 10.0.26100.7462; 10.0.26200.0 < 10.0.26200.7462
Fixed
No fixed version is explicitly recorded in the structured CVE data.
Action
No verified patch reference is present in the current structured sources. Check the vendor advisory before making a change.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 9 Dec 2025 · Last source change 16 Apr 2026, 14:18 UTC · CWE-284 · Improper Access Control

CVE recordCVE.org · 5.2
CVSS sourceCNA
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2025-202234
Product sourceCNA
Remediation sourceCVE/CNA references
CWE sourceOther authority
NVD statusNVD enriched

Core structured fields are present and their contributing authorities are shown above.

Material change intelligence

What changed after publication

View recent updates →

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
ENISA EUVD · EUVD-2025-202234↗CVE authority or vendor reference↗Official CVE record (CNA and ADP data)↗NVD record↗
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2025-64673 · cve.blacktree.nl