CVE-2026-21510

HIGHCISA KEV

8.8

Description

Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie2/10/2026

Derniere modification2/11/2026

Sourcekev

Observations honeypot0

CISA KEV

FournisseurMicrosoft

ProduitWindows

Nom vulnerabiliteMicrosoft Windows Shell Protection Mechanism Failure Vulnerability

Date ajout KEV2026-02-10

Date limite remediation2026-03-03

Utilise dans ransomwareUnknown

Produits affectes

microsoft:windows_10_1607microsoft:windows_10_1809microsoft:windows_10_21h2microsoft:windows_10_22h2microsoft:windows_11_23h2microsoft:windows_11_24h2microsoft:windows_11_25h2microsoft:windows_server_2012microsoft:windows_server_2016microsoft:windows_server_2019microsoft:windows_server_2022microsoft:windows_server_2022_23h2microsoft:windows_server_2025

Faiblesses (CWE)

CWE-693

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21510(secure@microsoft.com)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21510(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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