CVE-2026-21264

🚨 CRITICAL

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Account allows an unauthorized attacker to perform spoofing over a network.

Published
Jan 22, 2026
Last Modified
Jan 26, 2026
Views
12
Bookmarks
0

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Account allows an unauthorized attacker to perform spoofing over a network.

CVSS Scores

CVSS 3.1 9.3
9.3
CRITICAL
CVSS 2.0 9.3

Additional Information

Source
secure@microsoft.com
State
Awaiting analysis

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