CVE-2026-21093: CWE-121: Stack-based Buffer Overflow in Samsung Mobile Samsung Mobile Devices
CVE-2026-21093 is a stack-based buffer overflow vulnerability in the PROCA trustlet component of Samsung Mobile Devices prior to the SMR Sep-2026 Release 1. It allows local privileged attackers to write out-of-bounds memory. The vulnerability has a medium severity with a CVSS score of 5.6. No specific affected versions or patch information is provided in the available data.
AI Analysis
Technical Summary
This vulnerability involves a stack-based buffer overflow in the PROCA trustlet of Samsung Mobile Devices before the SMR Sep-2026 Release 1. It enables local attackers with elevated privileges to perform out-of-bounds memory writes, potentially leading to memory corruption. The CVSS 4.0 vector indicates the attack requires local access with high attack complexity and privileges, no user interaction, and results in high confidentiality impact but no integrity or availability impact. No official remediation or patch information is currently available.
Potential Impact
Local privileged attackers can exploit this vulnerability to write outside the intended memory bounds, which may lead to memory corruption and potentially affect the confidentiality of the device. The CVSS score of 5.6 reflects a medium severity impact. There is no indication of remote exploitation or impact on integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor Samsung Mobile's security advisories for updates and apply the SMR Sep-2026 Release 1 or later once available.
CVE-2026-21093: CWE-121: Stack-based Buffer Overflow in Samsung Mobile Samsung Mobile Devices
Description
CVE-2026-21093 is a stack-based buffer overflow vulnerability in the PROCA trustlet component of Samsung Mobile Devices prior to the SMR Sep-2026 Release 1. It allows local privileged attackers to write out-of-bounds memory. The vulnerability has a medium severity with a CVSS score of 5.6. No specific affected versions or patch information is provided in the available data.
CVSS v4.0
Score 5.6medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a stack-based buffer overflow in the PROCA trustlet of Samsung Mobile Devices before the SMR Sep-2026 Release 1. It enables local attackers with elevated privileges to perform out-of-bounds memory writes, potentially leading to memory corruption. The CVSS 4.0 vector indicates the attack requires local access with high attack complexity and privileges, no user interaction, and results in high confidentiality impact but no integrity or availability impact. No official remediation or patch information is currently available.
Potential Impact
Local privileged attackers can exploit this vulnerability to write outside the intended memory bounds, which may lead to memory corruption and potentially affect the confidentiality of the device. The CVSS score of 5.6 reflects a medium severity impact. There is no indication of remote exploitation or impact on integrity or availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, users should monitor Samsung Mobile's security advisories for updates and apply the SMR Sep-2026 Release 1 or later once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SamsungMobile
- Date Reserved
- 2025-12-11T01:33:35.827Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa13d64acd9273b49346529
Added to database: 09/09/2026, 11:05:08 UTC
Last enriched: 09/09/2026, 11:06:40 UTC
Last updated: 09/10/2026, 02:52:00 UTC
Views: 11
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