Important EPSS 0.03999 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

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 0.03999 — 0.89195 percentile

EPSS Score

0.03999
probability of exploitation in the next 30 days
0.89195 percentile - updated 2026-06-20
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

Microsoft has not published researcher acknowledgments for this CVE, or they are not yet reflected in our data source. Check the MSRC advisory directly for the most current credit information.