Description
In aes256_cmac_sw of aes.rs, there is a possible way to forge message authentication codes over multi-block messages due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Published: 2026-11-10
Score: 8.4 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 13 Nov 2026 21:00:00 +0000

Type Values Removed Values Added
Title Improper AES‑256 CMAC Use Allows MAC Forgery and Local Privilege Escalation in Android

Fri, 13 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-327
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Thu, 12 Nov 2026 21:45:00 +0000

Type Values Removed Values Added
Title Possible forging of AES‑256 CMAC in Android leading to local privilege escalation
Weaknesses CWE-330

Thu, 12 Nov 2026 02:30:00 +0000

Type Values Removed Values Added
Title Possible forging of AES‑256 CMAC in Android leading to local privilege escalation
Weaknesses CWE-330

Tue, 10 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
Description In aes256_cmac_sw of aes.rs, there is a possible way to forge message authentication codes over multi-block messages due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: Google_Devices

Published:

Updated: 2026-11-13T14:38:02.388Z

Reserved: 2026-06-23T16:07:18.916Z

Link: CVE-2026-56898

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-10T20:19:14.570

Modified: 2026-11-13T15:17:50.730

Link: CVE-2026-56898

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-13T20:45:15Z

Weaknesses