PT-2026-24376 · Microsoft · Authenticator

Khaled Mohamed · Published 2026-03-10 · Updated 2026-03-28 · CVE-2026-26123

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description A condition exists where an unauthorized attacker can disclose information locally. The issue relates to Cwe not being in rca categories.

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

Weakness Enumeration

CWE-939

Related Identifiers

BDU:2026-03054

CVE-2026-26123

Affected Products

Authenticator

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2026-26123 · Security Note
• https://bdu.fstec.ru/vul/2026-03054 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26123 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-26123 · Vendor Advisory
• https://twitter.com/DFIR_Radar/status/2037787372553949263 · Twitter Post
• https://twitter.com/0dayPublishing/status/2031771899345178729 · Twitter Post
• https://twitter.com/ThreatSynop/status/2032542393862599106 · Twitter Post
• https://twitter.com/stooee_/status/2034344179816415383 · Twitter Post
• https://twitter.com/vuln_tracker/status/2037155562865991773 · Twitter Post
• https://malwarebytes.com/blog/news/2026/03/microsoft-authenticator-could-leak-login-codes-update-your-app-now · Reddit Post
• https://twitter.com/CVEnew/status/2031504150865813916 · Twitter Post
• https://twitter.com/stooee_/status/2034706567891710060 · Twitter Post