Important CVSS 6.5 EPSS 0.04267 2019-12 archive

Executive Summary

An information disclosure vulnerability in Android Apps using Microsoft Authentication Library (MSAL) 0.3.1-Alpha or later exists under specific conditions. This vulnerability could result in sensitive data being exposed. To exploit this vulnerability an attacker would need to be authenticated to have rights to view the sensitive data. This security update addresses the vulnerability by modifying how the data is sanitized.

Overview

6.5
CVSS MEDIUM
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Information Disclosure
Released Dec 10 2019
Last Updated Dec 10 2019
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.04267 — 0.90041 percentile
NVD CVSS 6.5 MEDIUM — differs from MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged

EPSS Score

0.04267
probability of exploitation in the next 30 days
0.90041 percentile - updated 2026-07-25
View on FIRST.org

Affected Products

1 affected product
Product KB Article Severity Impact Restart Required
Microsoft Authentication Library (MSAL) for Android Github Repository (Security Update) Important Information Disclosure Maybe

Patches

1 patch
Article Type Restart
Github Repository Security Update Maybe

Known Exploits

Acknowledgments

None