The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added five new flaws to its Known Exploited Vulnerabilities Catalog, including a high-severity flaw (CVE-2023-21608) (CVSS score: 7.8) in Adobe Acrobat Reader. The flaw is a use-after-free issue, an attacker can trigger the flaw to achieve remote code execution (RCE) with the privileges of the current user….