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Local Information Disclosure in Android Runtime isValid
CVE-2026-58988 is an out-of-bounds read vulnerability in the Android runtime's isValid function. A missing bounds check can allow reads outside the intended buffer boundaries, potentially disclosing information to a local attacker. Exploitation requires neither additional execution privileges nor user interaction.
What it means and what to do now: patch path, interim mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
Successful exploitation could expose information from memory accessible to the affected runtime component. The specific information exposed and the extent of disclosure are not established. Code execution and privilege escalation are not established consequences of this vulnerability.
Patch, then assume compromise.
Install the applicable manufacturer-provided November 2026 Android security update. The 2026-11-01 security patch level covers the listed Android platform vulnerabilities; security patch level 2026-11-05 or later includes all applicable fixes from both November patch groups. Verify the installed security patch level rather than relying solely on the Android version. Exact CVE-specific fixed builds are not available.
No public exploits tracked yet. Mallory keeps watching.
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.