CVE-2026-20853
HIGH EPSS 22.4%
Published Jan 13, 20265mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 3.1
Published Jan 13, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago
Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows WalletService allows an unauthorized attacker to elevate privileges locally.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector Local
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
22.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-362
Affected Products 9
| Vendor | Product | Version | Range |
|---|---|---|---|
| microsoft | windows_10_1607 | * | <10.0.14393.8783 |
| microsoft | windows_10_1607 | * | <10.0.14393.8783 |
| microsoft | windows_10_1809 | * | <10.0.17763.8276 |
| microsoft | windows_10_1809 | * | <10.0.17763.8276 |
| microsoft | windows_10_21h2 | * | <10.0.19044.6809 |
| microsoft | windows_10_22h2 | * | <10.0.19045.6809 |
| microsoft | windows_11_23h2 | * | <10.0.22631.6491 |
| microsoft | windows_11_24h2 | * | <10.0.26100.7623 |
| microsoft | windows_11_25h2 | * | <10.0.26200.7623 |
References 1
- msrc.microsoft.com https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20853
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.