PT-2025-4229 · Microsoft · Account

M1N9K1N9 · Published 2025-01-29 · Updated 2025-02-20 · CVE-2025-21396

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Microsoft Account (affected versions not specified)

Description Missing authorization in Microsoft Account allows an unauthorized attacker to elevate privileges over a network. The issue is related to a CWE-862 authentication attack, which can be exploited by an unauthorized attacker to gain elevated privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2025-21396

Affected Products

Account

References · 16

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21396 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-21396 · Security Note
• https://twitter.com/CuriousCats_US/status/1886866345444433964 · Twitter Post
• https://t.me/cvenotify/109108 · Telegram Post
• https://t.me/cvedetector/16713 · Telegram Post
• https://twitter.com/SmarterMSP/status/1889462924843909124 · Twitter Post
• https://twitter.com/adriananglin/status/1891784701783732678 · Twitter Post
• https://twitter.com/AIDE_ink/status/1886904561639809269 · Twitter Post
• https://t.me/cibsecurity/82714 · Telegram Post
• https://twitter.com/happygeek/status/1886776517700571371 · Twitter Post
• https://twitter.com/transilienceai/status/1892364781677359226 · Twitter Post
• https://twitter.com/CVEnew/status/1884745249404174371 · Twitter Post
• https://twitter.com/transilienceai/status/1891648182624374981 · Twitter Post
• https://twitter.com/transilienceai/status/1892006606801371314 · Twitter Post
• https://twitter.com/windowsforum/status/1884762394657693826 · Twitter Post