Out-of-bounds write in libsavsac.so prior to SMR Jul-2026 Release 1 allows local attackers to execute arbitrary code.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Samsung Mobile Samsung Mobile Devices affected
Version Status Constraints
SMR Jul-2026 Release in Android 14, 15, 16 unaffected < *

No data.

No data.

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Vendors Products
Samsung Mobile Subscribe
Samsung Mobile Devices Subscribe

Project Subscriptions

Vendors Products
Samsung Mobile Subscribe
Samsung Mobile Devices Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=07 cve-icon
History

Fri, 10 Jul 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Fri, 10 Jul 2026 12:45:00 +0000

Type Values Removed Values Added
Title Local Out‑of‑Bounds Write in Samsung libsavsac.so Leading to Arbitrary Code Execution
Weaknesses CWE-787

Fri, 10 Jul 2026 07:00:00 +0000

Type Values Removed Values Added
First Time appeared Samsung Mobile
Samsung Mobile samsung Mobile Devices
Vendors & Products Samsung Mobile
Samsung Mobile samsung Mobile Devices

Fri, 10 Jul 2026 05:15:00 +0000

Type Values Removed Values Added
Description Out-of-bounds write in libsavsac.so prior to SMR Jul-2026 Release 1 allows local attackers to execute arbitrary code.
References
Metrics cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published:

Updated: 2026-07-10T12:26:58.563Z

Reserved: 2025-12-11T01:33:35.815Z

Link: CVE-2026-21042

cve-icon Vulnrichment

Updated: 2026-07-10T12:26:54.576Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-10T12:30:16Z

Weaknesses