CVE-2026-45644

HIGH CVSS 8.0 View on NVD ↗

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Live Share Canvas SDK allows an authorized attacker to elevate privileges over a network.

CVSS Vector

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

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45644

Published: Jun 09, 2026 17:17 UTC Modified: Jun 09, 2026 19:32 UTC