CVE-2026-28640
Google Android: improper input validation
- Risk score
- 47/100
- CVSS
- 7.8 v3.1
- Exploit chance (30 days)
- 0.1%
- Published
- 5 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- In checkCallerIsCertInstallerOrSelfInProfile of CredentialStorageActivity.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- Affected
- Google Android
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.8 high
References
Original description
In checkCallerIsCertInstallerOrSelfInProfile of CredentialStorageActivity.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Last activity 5 Oct 2026. Patch Forecast updates every hour.