Apple has not revealed what specific issue the update is fixing but it is said to improve the security in macOS. The new update for older macOS versions brings an important fix for a security flaw in macOS Catalina and Big Sur. "The previous three actively exploited vulnerabilities were each patched simultaneously for Monterey, Big Sur, and Catalina."Īpple did not respond to a request to explain why it has left older macOS installations without updates for these particular issues.Apple’s older software versions for Mac computers macOS Big Sur and macOS Catalina are getting new updates following the release of macOS Monterey 12.2.1. "This is the first time since the release of macOS Monterey that Apple has neglected to patch actively exploited vulnerabilities for Big Sur and Catalina," said Long. This is the first time since the release of macOS Monterey that Apple has neglected to patch actively exploited vulnerabilities for Big Sur and Catalina The Intel Graphics Driver flaw, he said, looks like it affects both Big Sur and Catalina. The AppleAVD issue is unpatched for macOS Big Sur, said Joshua Long, chief security analyst for Intego, while Catalina isn't affected because it lacks the AppleAVD component for decoding audio and video. In a blog post on Tuesday, security biz Intego said fixes applied to address CVE-2022-22675 (AppleAVD bug) and CVE-2022-22674 (Intel Graphics Driver bug) in macOS Monterey were not backported to macOS Big Sur or macOS Catalina. Apple last week patched two actively exploited vulnerabilities in macOS Monterey yet has left users of older supported versions of its desktop operating system unprotected.
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