Apple Multiple products Use-After-Free Vulnerability (CVE-2023-43000)
Severity: high · Patch status: unknown · Since 2026-03-05 · CVE-2023-43000
Apple macOS, iOS, iPadOS, and Safari 16.6 contain a use-after-free vulnerability due to the processing of maliciously crafted web content that may lead to memory corruption. CISA added CVE-2023-43000 to its Known Exploited Vulnerabilities catalog on Mar 5, 2026, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Mar 26, 2026 (BOD 22-01); treat that as the outer limit.
Sources
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