Description
In is_valid_header of timed_cache_item.c, there is a possible out-of-bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
Published: 2026-11-02
Score: 6.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Local Privilege Escalation
Action: Immediate Patch
AI Analysis

Impact

A missing bounds check in the is_valid_header function of timed_cache_item.c allows an out‑of‑bounds write. The vulnerability can be triggered without user interaction and could let a local user gain system execution privileges. The impact is a full privilege escalation on an affected Android device, giving the attacker the ability to modify system files, install malware, or compromise other users on the device.

Affected Systems

The flaw exists in Android operating systems distributed by Google. No specific version or build information is provided, so any installation that contains the vulnerable timed_cache_item.c code is potentially affected.

Risk and Exploitability

Based on the description, this flaw is a local privilege escalation vector that does not require user interaction; therefore it could be exploited during normal device operation or by a malicious application. Its CVSS score of 6.7 reflects a moderate severity, and the EPSS score of < 1% indicates a very low exploitation probability. The issue is not listed in the CISA KEV catalog, so a concrete exploitation probability cannot be quantified. However, the severity of the flaw suggests that attackers might target Android devices that have not applied the latest security update, and the exploitation would involve crafting a payload that triggers the out‑of‑bounds write in timed_cache_item.c to gain system execution privileges.

Generated by OpenCVE AI on November 3, 2026 at 18:07 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply the latest Android security update that includes the fix for timed_cache_item.c
  • Restrict installation of applications from untrusted sources by enforcing Google Play Trust policies
  • Enable device encryption and regular integrity checks to detect unauthorized changes to system binaries

Generated by OpenCVE AI on November 3, 2026 at 18:07 UTC.

Tracking

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Advisories

No advisories yet.

History

Tue, 03 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Write in Android Timed Cache Enables Local Privilege Escalation

Tue, 03 Nov 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 02 Nov 2026 23:15:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Write in Android Timed Cache Enables Local Privilege Escalation
Weaknesses CWE-119

Mon, 02 Nov 2026 23:00:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google android
Vendors & Products Google
Google android

Mon, 02 Nov 2026 20:30:00 +0000

Type Values Removed Values Added
Description In is_valid_header of timed_cache_item.c, there is a possible out-of-bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: google_android

Published:

Updated: 2026-11-03T15:19:59.114Z

Reserved: 2026-07-02T06:19:18.137Z

Link: CVE-2026-58977

cve-icon Vulnrichment

Updated: 2026-11-03T15:19:55.774Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-02T21:17:37.837

Modified: 2026-11-03T16:17:32.977

Link: CVE-2026-58977

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-03T18:15:14Z

Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer