CVE-2021-39691

Name: CVE-2021-39691
Creator: NVD / NIST
Published: 2022-06-15T13:15:08.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2021-39691 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. In WindowManager, there is a possible tapjacking attack due to an incorrect window flag when processing user input. This could lead to local escalation of privilege with no additional execution privileges needed. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

In WindowManager, there is a possible tapjacking attack due to an incorrect window flag when processing user input. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-157929241

Metrics

CVSS 3.1

7.3/10

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

EPSS Probability

0.11%

1.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1021

Affected Software

Vendor	Product	Versions
Google	Android	10.0
Google	Android	11.0
Google	Android	12.0

References

https://source.android.com/security/bulletin/2022-06-01Vendor Advisory
https://source.android.com/security/bulletin/2022-06-01Vendor Advisory

Timeline

Published: Jun 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39691?

How severe is CVE-2021-39691?

CVE-2021-39691 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39691?

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-2021-39691?

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

Scan your code now

Source: NVD / NIST