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In prepareWindowToDisplayDuringRelayout of WindowState.java, there is a possible permission bypass due to a logic error in the code.

8.4HighCISA-ADP
Exploited
No known exploitation
Fix
Fixed in 14, 15, 16, 16-qpr2, 17
Who is exposed
Specific setups only

Do first: Upgrade to a fixed version: 14, 15, 16, 16-qpr2, 17.

Published
Last modified
Published
Not listed in CISA KEV
14/100 · provisional
Specific setups only
Fix
Fixed in 14, 15, 16, 16-qpr2, 17
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

In prepareWindowToDisplayDuringRelayout of WindowState.java, there is a possible permission bypass due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

What to do

  • Upgrade to a fixed version: 14, 15, 16, 16-qpr2, 17.

Timeline

  1. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  2. CVE published
  3. First seen by cve.now1 day
  4. Record last updated

Affected versions

  • Google Android

    17, 16-qpr2, 16, 15, 14

Evidence 1

  1. Link

Corrections

None so far.

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FAQ

Questions about CVE-2026-58934

What does this mean?

A logic error in the prepareWindowToDisplayDuringRelayout function of WindowState.java in the Android Framework can allow a permission check to be bypassed. The advisory classifies it as escalation of privilege, with a CVSS score of 8.4 (high).Source: source.android.com

Am I affected, and how do I check?

The advisory's Framework table lists Android 14, 15, 16, 16-qpr2, and 17 for this CVE. To check a device, look at the Android version under Settings > About phone and the security patch level shown there.Source: source.android.com

What should I do about it?

Install the Android security update that includes the fix for CVE-2026-58934 (A-527038637) for your Android version. The facts do not name a specific patch level or workaround.Source: source.android.com

Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data