# CVE-2023-20963: Android Framework Privilege Escalation Vulnerability

Source: https://junglewise.ai/threats/cve-2023-20963-android-framework-privilege-escalation-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-04-13. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2023-20963 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2023-04-13

A parcel mismatch vulnerability in the WorkSource component of the Android Framework allows for local escalation of privilege. Exploitation can occur after updating an app to a higher Target SDK and requires no additional execution privileges or user interaction.

Technologies: [Android Framework](https://junglewise.ai/threats/technologies/framework). Vendors: [Android](https://junglewise.ai/threats/vendors/android).

## Quick answers

**Is CVE-2023-20963 exploited in the wild?** Yes. CVE-2023-20963 is known to be exploited in the wild, first recorded on 13 April 2023. Treat it as urgent.

**How severe is CVE-2023-20963?** Critical severity, with a CVSS score of 7.8, published 13 April 2023.

**Which products and versions are affected?** Google Android 11, 12, 12L, 13.

**Is there a fix for CVE-2023-20963?** A patch was published on 2023-03-01: Security bulletin published by Android vendor. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2023-20963 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2023-20963?** Check whether you run Android Framework. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Google Android 11, 12, 12L, 13

## Timeline

- 2023-03-01: patched: Security bulletin published by Android vendor.
- 2023-03-24: disclosed: NVD Published Date.
- 2023-04-13: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.

## Related threats

- [Google Android Framework privilege escalation via integer overflow](https://junglewise.ai/threats/cve-2025-48595-google-android-framework-privilege-escalation-via-integer)
- [Google Android privilege escalation in DevicePolicyManagerService](https://junglewise.ai/threats/cve-2025-48633-google-android-privilege-escalation-in-devicepolicymanagerservice)
- [Google Android Framework privilege escalation via background activity launch](https://junglewise.ai/threats/cve-2025-48572-google-android-framework-privilege-escalation-via-background)
- [Android Framework Privilege Escalation Vulnerability](https://junglewise.ai/threats/cve-2024-43093-android-framework-privilege-escalation-vulnerability)
- [Android Framework Privilege Escalation Vulnerability](https://junglewise.ai/threats/cve-2023-35674-android-framework-privilege-escalation-vulnerability)