VULNERABILITY INTELLIGENCE

CVE-2026-21264

CVSS score9.3 CRITICAL
EPSS probability0.41%
CISA KEVNot currently listed
Published2026-01-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Description

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

Weakness classification

  • secure@microsoft.com: CWE-79

Primary references