CVE-2023-45777

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-04 · updated 2026-06-17

Description

In checkKeyIntentParceledCorrectly of AccountManagerService.java, there is a possible way to launch arbitrary activities using system privileges due to Parcel Mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

Android: 13.0, 14.0

References

https://android.googlesource.com/platform/frameworks/base/+/f4644b55d36a549710ba35b6fb797ba744807da6
https://android.googlesource.com/platform/frameworks/base/+/f810d81839af38ee121c446105ca67cb12992fc6
https://source.android.com/security/bulletin/2023-12-01
https://android.googlesource.com/platform/frameworks/base/+/f4644b55d36a549710ba35b6fb797ba744807da6
https://android.googlesource.com/platform/frameworks/base/+/f810d81839af38ee121c446105ca67cb12992fc6
https://source.android.com/security/bulletin/2023-12-01

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