CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2021-26386
High (7.8) in amd. EPSS 0.3% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- amd:ryzen_3_2200u_firmware
- amd:ryzen_3_2300u_firmware
- amd:ryzen_3_3100_firmware
- amd:ryzen_3_3300g_firmware
- amd:ryzen_3_3300x_firmware
- amd:ryzen_3_5125c_firmware
- amd:ryzen_3_5400u_firmware
- amd:ryzen_3_5425c_firmware
- amd:ryzen_3_5425u_firmware
- amd:ryzen_5300g_firmware
- amd:ryzen_5300ge_firmware
- amd:ryzen_5600g_firmware
- amd:ryzen_5600ge_firmware
- amd:ryzen_5600x_firmware
- amd:ryzen_5700g_firmware
- amd:ryzen_5700ge_firmware
- amd:ryzen_5800x3d_firmware
- amd:ryzen_5800x_firmware
- amd:ryzen_5900x_firmware
- amd:ryzen_5950x_firmware
- amd:ryzen_5_2500u_firmware
- amd:ryzen_5_2600_firmware
- amd:ryzen_5_2600h_firmware
- amd:ryzen_5_2600x_firmware
- amd:ryzen_5_3400g_firmware
- amd:ryzen_5_3450g_firmware
- amd:ryzen_5_3600_firmware
- amd:ryzen_5_3600x_firmware
- amd:ryzen_5_5560u_firmware
- amd:ryzen_5_5600h_firmware
- amd:ryzen_5_5600hs_firmware
- amd:ryzen_5_5600u_firmware
- amd:ryzen_5_5600x_firmware
- amd:ryzen_5_5625c_firmware
- amd:ryzen_5_5625u_firmware
- amd:ryzen_5_5700g_firmware
- amd:ryzen_5_5700ge_firmware
- amd:ryzen_7_2700_firmware
- amd:ryzen_7_2700u_firmware
- amd:ryzen_7_2700x_firmware
- amd:ryzen_7_2800h_firmware
- amd:ryzen_7_3700x_firmware
- amd:ryzen_7_3800x_firmware
- amd:ryzen_7_5800h_firmware
- amd:ryzen_7_5800hs_firmware
- amd:ryzen_7_5800u_firmware
- amd:ryzen_7_5825c_firmware
- amd:ryzen_7_5825u_firmware
- amd:ryzen_9_3900x_firmware
- amd:ryzen_9_3950x_firmware