CVE-2023-21266
In killBackgroundProcesses of ActivityManagerService.java, there is a possible way to escape...
In multiple functions of ActivityManagerService.java, there is a possible way to escape Google Play protection due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In multiple functions of ActivityManagerService.java, there is a possible way to escape Google Play protection due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21266- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
CVE List
In multiple functions of ActivityManagerService.java, there is a possible way to escape Google Play protection due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
CVE-2023-21266- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2023-25434
In multiple functions of ActivityManagerService.java, there is a possible way to escape Google Play protection due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
EUVD-2023-25434- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5rr3-f64r-jww5
In killBackgroundProcesses of ActivityManagerService.java, there is a possible way to escape...
In killBackgroundProcesses of ActivityManagerService.java, there is a possible way to escape Google Play protection due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
GHSA-5rr3-f64r-jww5- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-21266
In multiple functions of ActivityManagerService.java, there is a possible way to escape Google Play protection due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
UBUNTU-CVE-2023-21266- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVASB-A-223376078 No score
In multiple functions of ActivityManagerService.java, there is a possible way to escape Google Play protection due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
ASB-A-223376078- Updated
- 2026-11-05
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
platform/frameworks/baseAndroid |
14-next:0 up to 14-next:2024-06-01, plus listed versions 14-next |
14-next:2024-06-01 |
platform/frameworks/baseAndroid |
12:0 up to 12:2024-06-01, plus listed versions 12 |
12:2024-06-01 |
platform/frameworks/baseAndroid |
12L:0 up to 12L:2024-06-01, plus listed versions 12L |
12L:2024-06-01 |
platform/frameworks/baseAndroid |
13:0 up to 13:2024-06-01, plus listed versions 13 |
13:2024-06-01 |
android-framework-23Ubuntu:18.04:LTS |
All versions, plus listed versions 6.0.1+r72-36.0.1+r72-46.0.1+r72-5~18.04 |
None known |
android-framework-23Ubuntu:20.04:LTS |
All versions, plus listed versions 6.0.1+r72-5 |
None known |
android-framework-23Ubuntu:22.04:LTS |
All versions, plus listed versions 6.0.1+r72-6 |
None known |
android-framework-23Ubuntu:24.04:LTS |
All versions, plus listed versions 6.0.1+r72-66.0.1+r72-6ubuntu1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-21266 is a high vulnerability (CVSS 7.8) in Google Android, published October 6, 2023. 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 14-next:2024-06-01.
References
android.googlesource.com/platform/frameworks/base/+/fa94ce5c7738e449cb6bd68c77af4858018e49e0
source.android.com/security/bulletin/2024-06-01
nvd.nist.gov/vuln/detail/CVE-2023-21266
github.com/advisories/GHSA-5rr3-f64r-jww5
ubuntu.com/security/CVE-2023-21266
cve.org/CVERecord?id=CVE-2023-21266