Recent macOS Screen Sharing Vulnerability Exploited in Attacks

CVE-2026-65400 exposes a critical authentication bypass in macOS Screen Sharing, allowing unauthenticated remote attackers to gain root-level access — one of the most severe privilege escalation scenarios possible. Apple released a patch in late August, but the rapid availability of a public proof-of-concept exploit dramatically shortened the window between disclosure and active exploitation. Organizations that failed to apply the patch promptly became easy targets for cryptominer deployment, which consumes resources, degrades performance, and signals a broader foothold risk. This incident highlights that the time between patch release and exploitation is shrinking, making reactive patching cycles dangerously inadequate. Without aggressive patch prioritization and automated deployment, even well-resourced organizations remain exposed to trivially weaponized vulnerabilities.