Windows WalletService Elevation of Privilege Vulnerability (Microsoft Windows 10 Version 1607)

CVE-2026-20853

HIGH 7.4

En bref

Source: NVD
EPSS: EPSS 0.31 % · centile 24 (2026-11-01)
État: PUBLISHED
Publiée: 2026-01-13 17:56 UTC
Mise à jour: 2026-07-30 20:47 UTC
Attribuée par: microsoft
Statut NVD: Analyzed

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Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows WalletService allows an unauthorized attacker to elevate privileges locally.

Faiblesses (CWE)

CWE-362 — Situation de compétition

Références

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20853

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 7.4	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft
CVSS 3.1	HIGH 7.4	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · secure@microsoft.com (Secondary)

Références européennes

ENISA EUVD · EUVD-2026-2165
GCVE · GCVE-0-2026-20853

Avis du CERT-FR

CERTFR-2026-AVI-0044 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* < 10.0.14393.8783
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* < 10.0.14393.8783
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* < 10.0.17763.8276
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* < 10.0.17763.8276
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* < 10.0.19044.6809
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* < 10.0.19045.6809
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:* < 10.0.22631.6491
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* < 10.0.26100.7623
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:* < 10.0.26200.7623

Produits affectés

Produit	Versions
Microsoft · Windows 10 Version 1607	affected 10.0.14393.0 < 10.0.14393.8783
Microsoft · Windows 10 Version 1809	affected 10.0.17763.0 < 10.0.17763.8276
Microsoft · Windows 10 Version 21H2	affected 10.0.19044.0 < 10.0.19044.6809
Microsoft · Windows 10 Version 22H2	affected 10.0.19045.0 < 10.0.19045.6809
Microsoft · Windows 11 version 23H2	affected 10.0.22631.0 < 10.0.22631.6491
Microsoft · Windows 11 Version 23H2	affected 10.0.22631.0 < 10.0.22631.6491
Microsoft · Windows 11 Version 24H2	affected 10.0.26100.0 < 10.0.26100.7623
Microsoft · Windows 11 Version 25H2	affected 10.0.26200.0 < 10.0.26200.7623

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

⚠️ Windows WalletService Elevation of Privilege Vulnerability (Microsoft Windows 10 Version 1607)