CVE Database · CVE-2026-20839
CVSS v3.1
5.5
EPSS
0.46%
Published
Jan 13, 2026
Modified
Jan 15, 2026
Public PoC / Exploit
All weaponized →No public PoC or exploit code indexed for this CVE.
Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
Improper access control in Windows Client-Side Caching (CSC) Service allows an authorized attacker to disclose information locally.
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NWeaknesses (CWE)
Affected Products (17)
References (1)