CVE-2023-43000 Use-After-Free flaw hits Apple Safari on macOS iOS

The Known Exploited Vulnerabilities Catalog, according to CISA, lists a single entry: CVE-2023-43000, described as a Use-After-Free vulnerability affecting Apple’s macOS, iOS, iPadOS and Safari 16.6. The entry notes that the affected products may experience memory corruption due to processing of maliciously crafted web content. It also states that it is Unknown whether the vulnerability has been used in ransomware campaigns. Date Added is 5 March 2026, with a due date of 26 March 2026. Additional notes provide support links for Apple and the CVE record on NIST’s NVD.