CVE-2021-39691
In WindowManager, there is a possible tapjacking attack due to an incorrect window flag when...
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
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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
- Record
CVE-2021-39691- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.9 Medium
AV:L/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-1021
- Updated
- 2026-11-02
CVE List No score
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
- Record
CVE-2021-39691- Updated
- 2026-11-02
EUVDEUVD-2021-26048 No score
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
- Record
EUVD-2021-26048- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4fq5-hp4p-wwmv
In WindowManager, there is a possible tapjacking attack due to an incorrect window flag when...
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
- Record
GHSA-4fq5-hp4p-wwmv- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-1021
- Updated
- 2026-11-02
OSVASB-A-157929241 No score
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.
- Record
ASB-A-157929241- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid |
12L-next:0 up to 12L-next:2022-06-01, plus listed versions 12L-next |
12L-next:2022-06-01 |
platform/packages/modules/PermissionAndroid |
12L-next:0 up to 12L-next:2022-06-01, plus listed versions 12L-next |
12L-next:2022-06-01 |
platform/frameworks/nativeAndroid |
10:0 up to 10:2022-06-01, plus listed versions 10 |
10:2022-06-01 |
platform/frameworks/baseAndroid |
11:0 up to 11:2022-06-01, plus listed versions 11 |
11:2022-06-01 |
platform/frameworks/nativeAndroid |
11:0 up to 11:2022-06-01, plus listed versions 11 |
11:2022-06-01 |
platform/packages/apps/Launcher3Android |
11:0 up to 11:2022-06-01, plus listed versions 11 |
11:2022-06-01 |
platform/frameworks/baseAndroid |
12:0 up to 12:2022-06-01, plus listed versions 12 |
12:2022-06-01 |
platform/packages/apps/Launcher3Android |
12:0 up to 12:2022-06-01, plus listed versions 12 |
12:2022-06-01 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39691 is a high vulnerability (CVSS 7.3) in Google Android, published June 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. Fixed in platform/frameworks/base 12L-next:2022-06-01.