2023 Vulnerabilities: First-Quarter Highlights

ReliaQuest’s Q1 2023 vulnerabilities report reviews ~6,977 new CVEs and notes widespread exploitation activity, with privilege escalation, access control, and RCE flaws most targeted; it highlights active exploitation by APT28 and ransomware group Clop (including a GoAnywhere compromise and subsequent data leaks) and calls out CVE-2023-23397 (Outlook zero-click EoP) as a high-risk vulnerability, alongside post-exploitation TTPs and mitigation guidance.