CVE-2026-45644

HIGH EPSS 42.0%
Published Jun 9, 20262w ago · Modified Jun 19, 20261w ago
8.0 CVSS 3.1
High
Find Similar
Published Jun 9, 2026 2w ago
Last Modified Jun 19, 2026 1w ago

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 Details

Base Score
8.0
Exploitability
2.1
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
42.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
microsoftlive_share_canvas* <1.4.2

References 1

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.