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CVE-2023-45777

HighPublished

In checkKeyIntentParceledCorrectly of AccountManagerService.java, there is a possible way to launch arbitrary activities using system privileges due to...

Published: Dec 4, 2023
Updated: Aug 2, 2024
Assigning CNA: google_android
Evidence observed: Aug 25, 2026

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

0.3%

Low · next 30 days

Percentile: 28.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

TheLastBundleMismatchExploit
Writeup and exploit for CVE-2023-45777, bypass for Intent validation inside AccountManagerService on Android 13 despite "Lazy Bundle" mitigation

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