CVE-2026-45644

8.0 highEPSS 0.6%

High (8.0) in microsoft live share canvas. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.0 high

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 46% of CVEs (scores of 2026-11-01)
CWE: CWE-79
Published: 2026-06-09
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

Affected

microsoft:live_share_canvas

References

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

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