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CVE WatchJul 22, 2026

CVE-2022-4991

Tychon includes an OpenSSL component that specifies an OPENSSLDIR variable as a subdirectory that may be controllable by an unprivileged use

CVSS

7.4

High

EPSS

0.3%

p17

KEV

—

Exploit Today

5

0-100

Published: Jun 1, 2026 · Last modified: Jul 22, 2026

EPSS · 30d
0.3%EPSS · 30 days0.3%
2026-08-012026-08-28
Technical description

Tychon includes an OpenSSL component that specifies an OPENSSLDIR variable as a subdirectory that may be controllable by an unprivileged user on Windows. Tychon contains a privileged service that uses this OpenSSL component. A user who can place a specially-crafted openssl.cnf file at an appropriate path may be able to achieve arbitrary code execution with SYSTEM privileges.

Official references
Related CVEs

No related CVEs by CWE or product.