CVE-2021-26386
HIGH
7.8
CVSS Score
Published: May 12, 2022 at 06:28 PM UTC
Updated: June 17, 2026 at 03:43 AM UTC
142 products affected across 1 vendorRyzen 5 5600HS FirmwareRyzen 5 5600U FirmwareRyzen 5 5600H Firmware
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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
Description
A malicious or compromised UApp or ABL may be used by an attacker to issue a malformed system call to the Stage 2 Bootloader potentially leading to corrupt memory and code execution.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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