Vulnerability Details CVE-2026-45644
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 32.6%
CVSS Severity
CVSS v3 Score 8.0
Products affected by CVE-2026-45644
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cpe:2.3:a:microsoft:live_share_canvas:1.0.0
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cpe:2.3:a:microsoft:live_share_canvas:1.0.1
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cpe:2.3:a:microsoft:live_share_canvas:1.0.2
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cpe:2.3:a:microsoft:live_share_canvas:1.1.0
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cpe:2.3:a:microsoft:live_share_canvas:1.2.0
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cpe:2.3:a:microsoft:live_share_canvas:1.2.1
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cpe:2.3:a:microsoft:live_share_canvas:1.2.2
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cpe:2.3:a:microsoft:live_share_canvas:1.3.0
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cpe:2.3:a:microsoft:live_share_canvas:1.3.1
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cpe:2.3:a:microsoft:live_share_canvas:1.4.0
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cpe:2.3:a:microsoft:live_share_canvas:1.4.1