CVE-2026-21044

Persistence configuration bypass via missing authorization

Published Jul 10, 2026 · Updated Jul 10, 2026

Improper authorization in KnoxGuardManager before SMR Jul-2026 Release 1 allows local users to bypass application persistence settings. KnoxGuardManager fails to perform required authorization before permitting the persistence change; Samsung has not disclosed the affected method or request path. A low-privilege local context and an unspecified attack prerequisite are required, and the documented consequence is limited to changing application persistence.

CVSS severity5.8
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper authorization in KnoxGuardManager before SMR Jul-2026 Release 1 allows local users to bypass application persistence settings. KnoxGuardManager fails to perform required authorization before permitting the persistence change; Samsung has not disclosed the affected method or request path. A low-privilege local context and an unspecified attack prerequisite are required, and the documented consequence is limited to changing application persistence.

The record

CVE
CVE-2026-21044
Published
Jul 10, 2026
Updated
Jul 10, 2026
Vendor
Samsung Electronics Co., Ltd.
Product
Samsung Mobile Devices
Classifications
CWE-269
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Samsung Electronics Co., Ltd. · Samsung Mobile DevicesAffected versions are unavailable in this record.

Published CVSS scores

5.8Samsung MobileCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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