Threat Landscape — Top Critical CVEs This Week

Week of October 18, 2026 — Last updated: 2026-10-18 01:52 UTC

38
CRITICAL
74
HIGH
112
CVEs
CVE ID Severity Description CVSS
CVE-2020-1938 CRITICAL When using the Apache JServ Protocol (AJP), care must be taken when trusting incoming connections to Apache Tomcat.… 9.8
CVE-2021-4034 HIGH A local privilege escalation vulnerability was found on polkit's pkexec utility. The pkexec application is a setuid… 7.8
CVE-2021-44228 CRITICAL Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in… 10.0
CVE-2022-28368 CRITICAL Dompdf 1.2.1 allows remote code execution via a .php file in the src:url field of an @font-face Cascading Style Sheets… 9.8
CVE-2023-46805 HIGH An authentication bypass vulnerability in the web component of Ivanti ICS 9.x, 22.x and Ivanti Policy Secure allows a… 8.2

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