Description
In multiple locations, there is a possible memory safety issue due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
Published: 2026-09-08
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

Impact

The issue is a heap buffer overflow identified in multiple code locations within the Android operating system. Because the overflow occurs on the heap and can lead to arbitrary code execution, an attacker could run malicious code with the same privileges as the affected process. No additional privileges or user interaction are required to exploit the flaw, which elevates its seriousness.

Affected Systems

The vulnerability is reported to affect Google Android devices. No specific versions or build identifiers were provided, so all Android releases that include the vulnerable components at the time of the advisory are considered exposed until a fix is applied.

Risk and Exploitability

With a CVSS score of 9.8 the flaw is deemed critical. The EPSS score is not available, and it is not currently listed as a Known Exploited Vulnerability. The lack of user interaction and the remote nature of the exploit, combined with the high severity rating, suggest that the risk of exploitation is significant, especially for devices that are not updated promptly.

Generated by OpenCVE AI on September 9, 2026 at 14:32 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Apply the latest Android security patch that contains the heap overflow fix as noted in the 2026‑09‑01 security bulletin.
  • Ensure automatic system updates are enabled so future patches are deployed without manual action.
  • Examine exposed network services and, where possible, disable or restrict any that interact with the affected components to reduce the attack surface while the patch is pending.

Generated by OpenCVE AI on September 9, 2026 at 14:32 UTC.

Tracking

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Advisories

No advisories yet.

History

Thu, 24 Sep 2026 16:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*
cpe:2.3:o:google:android:16.0:qpr2:*:*:*:*:*:*
cpe:2.3:o:google:android:17.0:-:*:*:*:*:*:*

Fri, 11 Sep 2026 23:45:00 +0000

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

Wed, 09 Sep 2026 15:00:00 +0000

Type Values Removed Values Added
Title Heap Buffer Overflow Allowing Remote Code Execution in Android Devices

Tue, 08 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Tue, 08 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Description In multiple locations, there is a possible memory safety issue due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: google_android

Published:

Updated: 2026-09-08T19:58:10.554Z

Reserved: 2026-06-02T14:43:25.468Z

Link: CVE-2026-49921

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-09-08T19:17:59.193

Modified: 2026-09-24T15:46:55.063

Link: CVE-2026-49921

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-11T20:15:01Z

Weaknesses
  • CWE-122

    Heap-based Buffer Overflow