๐Ÿ” CVE Alert

CVE-2026-45644

HIGH 8.0

Microsoft Live Share Canvas SDK Elevation of Privilege Vulnerability

CVSS Score
8.0
EPSS Score
0.0%
EPSS Percentile
0th

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.

Vendor microsoft
Product microsoft live share canvas sdk
Ecosystems
Industries
TechnologyEnterprise
Published Jun 9, 2026
Last Updated Jun 9, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

Microsoft / Microsoft Live Share Canvas SDK
1.0.0 < 1.4.2

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45644