CVE-2026-83893: medium-severity vulnerability in Microsoft Windows 10 Version 1809
Windows Clipboard User Service Information Disclosure Vulnerability
Published
10Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5
exploitation probability
—
observed exploitation
nono source reports it
Exposure of sensitive system information to an unauthorized control sphere in Windows Clipboard User Service allows an authorized attacker to disclose information locally.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Affected products
Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 23H2Microsoft · Windows 11 Version 24H2Microsoft · Windows 11 Version 25H2Microsoft · Windows 11 version 26H1Microsoft · Windows 11 Version 26H2Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022Microsoft · Windows Server 2025Microsoft · Windows Server 2025 (Server Core installation)Related CVEs — Microsoft Windows 10 Version 1809
In the same product, most dangerous first.
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