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EPSS 0.1%top 97%

Improper authentication in ActivityTaskManagerService prior to SMR Sep-2026 Release 1 allows local privileged attackers to launch arbitrary activity. (CVE-2026-21097)

0
Medium
Published: 09/09/2026 (09/09/2026, 06:31:38 UTC)
Source: GCVE Database

Description

CVE-2026-21097 is a vulnerability in ActivityTaskManagerService prior to the SMR Sep-2026 Release 1 that allows local privileged attackers to launch arbitrary activities due to improper authentication. This issue affects local users with elevated privileges and does not require user interaction. The vulnerability has a medium severity rating. No patch or remediation information is currently available.

CVSS v4.0

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
Scope
X
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/09/2026, 13:58:17 UTC

Technical Analysis

This vulnerability involves improper authentication in the ActivityTaskManagerService component before the SMR Sep-2026 Release 1. It enables local attackers with privileged access to launch arbitrary activities on the affected system. The vulnerability does not affect cloud services and no known exploits are reported in the wild. The CVSS 4.0 vector indicates low attack complexity and requires high privileges but no user interaction.

Potential Impact

Local privileged attackers can exploit this vulnerability to launch arbitrary activities, potentially leading to unauthorized actions within the system. The impact is limited to users who already have elevated privileges, and there is no indication of remote exploitation or user interaction requirements.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch links are provided, monitoring vendor communications for updates is recommended.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-9r8w-qx67-pr9h
Osv Schema Version
1.4.0
Aliases
["CVE-2026-21097"]
Ecosystems
[]
Database Specific Severity
MODERATE
Cvss Version
4.0

Threat ID: 6aa15f7cacd9273b4961839a

Added to database: 09/09/2026, 13:30:36 UTC

Last enriched: 09/09/2026, 13:58:17 UTC

Last updated: 09/09/2026, 22:52:09 UTC

Views: 2

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