AUGUST 4, 2026
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Case File

CVE-2021-26635

HIGH · CVSS 7.8 EPSS 1.12% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-06-02 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

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

Detected Signals
remote code execution code execution

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

CVE
CVE-2021-26635
Severity
HIGH
CVSS
7.8
EPSS
1.12%

Original NVD Description

In the code that verifies the file size in the ark library, it is possible to manipulate the offset read from the target file due to the wrong use of the data type. An attacker could use this vulnerability to cause a stack buffer overflow and as a result, perform an attack such as remote code execution.

Related CVEs

Other vulnerabilities affecting the same vendor(s)