Adobe released a security update to address an actively exploited vulnerability impacting Adobe Acrobat and Reader. Tracked as CVE-2026-34621, the vulnerability may allow an attacker to run malicious code on affected installations. Haifei Li from EXPMON discovered and reported the vulnerability to Adobe. CISA acknowledged the active exploitation of the vulnerability by adding it to its Known Exploited Vulnerabilities Catalog. CISA urges users to patch the vulnerability before April 27, … Continue reading “Adobe Acrobat and Reader Arbitrary Code Execution Vulnerability Exploited in the Wild (CVE-2026-34621)”