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Case File

CVE-2021-26316

HIGH · CVSS 7.8 EPSS 0.26% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-01-11 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
arbitrary code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-26316
Severity
HIGH
CVSS
7.8
EPSS
0.26%

Original NVD Description

Failure to validate the communication buffer and communication service in the BIOS may allow an attacker to tamper with the buffer resulting in potential SMM (System Management Mode) arbitrary code execution.

Related CVEs

Other vulnerabilities affecting the same vendor(s)