CVE-2026-21042

Remote Code Execution via Out-of-Bounds Write in Samsung libsavsac.so

Published Jul 10, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
Out-of-bounds write in libsavsac.so prior to SMR Jul-2026 Release 1 allows remote attackers to execute arbitrary code.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Remote Code Execution via Out-of-Bounds Write in Samsung libsavsac.so
Weaknesses CWE-119
CWE-787
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. Out-of-bounds write in libsavsac.so prior to SMR Jul-2026 Release 1 allows remote attackers to execute arbitrary code.
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'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'}

Type Values Removed Values Added
Title Out-of-Bounds Buffer Write in libsavsac.so Enabling Local Arbitrary Code Execution
Type Values Removed Values Added
Title Out-of-Bounds Buffer Write in libsavsac.so Enabling Local Arbitrary Code Execution
Type Values Removed Values Added
Title Local Arbitrary Code Execution via Out-of-Bounds Write in libsavsac.so
Weaknesses CWE-119
CWE-787
Type Values Removed Values Added
Title Local Arbitrary Code Execution via Out-of-Bounds Write in libsavsac.so
Weaknesses CWE-119
CWE-787
Type Values Removed Values Added
Title Out‑of‑bounds write in libsavsac.so enables local code execution on Samsung Mobile Devices
Type Values Removed Values Added
Title Out‑of‑bounds write in libsavsac.so enables local code execution on Samsung Mobile Devices
Weaknesses CWE-119
CWE-787
Type Values Removed Values Added
Title Out‑of‑Bounds Write in libsavsac.so Enables Local Arbitrary Code Execution
Weaknesses CWE-119
CWE-787
Type Values Removed Values Added
Title Out‑of‑Bounds Write in libsavsac.so Enables Local Arbitrary Code Execution
Type Values Removed Values Added
Title Out-of-Bounds Write in Samsung libsavsac.so Allows Local Arbitrary Code Execution
Weaknesses CWE-119
CWE-787
Type Values Removed Values Added
Title Out-of-Bounds Write in Samsung libsavsac.so Allows Local Arbitrary Code Execution
Weaknesses CWE-119
CWE-787
Type Values Removed Values Added
Title Local Out‑of‑Bounds Write in Samsung libsavsac.so Leading to Arbitrary Code Execution
Weaknesses CWE-787
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Title Local Out‑of‑Bounds Write in Samsung libsavsac.so Leading to Arbitrary Code Execution
Weaknesses CWE-787
Type Values Removed Values Added
First Time appeared Samsung Mobile
Samsung Mobile samsung Mobile Devices
Vendors & Products Samsung Mobile
Samsung Mobile samsung Mobile Devices
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
SamsungMobile
Published
Updated
Sep 9, 2026, 4:42 AM
Reserved
Dec 11, 2025, 1:33 AM
Status
Deferred
Published
Jul 10, 2026, 5:16 AM
Modified
Oct 25, 2026, 3:10 PM