CVE-2026-26123

Name: CVE-2026-26123
Creator: NVD / NIST
Published: 2026-03-10T20:16:34.597+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2026-26123 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Cwe is not in rca categories in Microsoft Authenticator allows an unauthorized attacker to disclose information locally.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

Cwe is not in rca categories in Microsoft Authenticator allows an unauthorized attacker to disclose information locally.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

0.60%

44.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-939

Affected Software

Vendor	Product	Versions
Microsoft	Authenticator	< 6.8.40
Microsoft	Authenticator	< 6.2511.7533

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26123Vendor Advisory

Timeline

Published: Mar 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-26123?

Cwe is not in rca categories in Microsoft Authenticator allows an unauthorized attacker to disclose information locally.

How severe is CVE-2026-26123?

CVE-2026-26123 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2026-26123?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-26123?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST