CVE-2026-61897

Published: Ago 20, 2026 Last Modified: Ago 20, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 7,8
Source: [email protected]
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high

Description

AI Translation Available

An Ubuntu-specific patch to AccountsService before 23.13.9-8ubuntu7 only partially drops privileges before launching language helper scripts. It changes the effective UID/GID to the target user but leaves the real UID as 0 (root). A shell spawned by a helper script inherits ruid=0 and may reset its effective UID to root, enabling local privilege escalation.

273

Improper Check for Dropped Privileges

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Non-Repudiation
Potential Impacts:
Gain Privileges Or Assume Identity Hide Activities
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: Medium
View CWE Details
https://bugs.launchpad.net/ubuntu/+source/accountsservice/+…
https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/2157985
https://ubuntu.com/security/CVE-2026-61897
https://ubuntu.com/security/CVE-2026-61897