Security readout for executives and security teams
CVE-2016-1821 is an Apple OS X IOAudioFamily flaw fixed in OS X 10.11.5. A malicious app could run code with elevated privileges or crash the system. It mainly matters for legacy Macs that never received the 10.11.5 update or a later supported OS upgrade. Exposure is limited to Apple OS X systems earlier than 10.11.5. The most likely affected assets are unmanaged legacy Macs, lab systems, archived virtual machines, or old gold images that still allow local app execution. Prioritize remediation for any remaining pre-10.11.5 Macs because the impact is privileged code execution. Risk is concentrated in legacy estate, not modern macOS, based on the provided sources. Mitigation focus: Upgrade affected OS X systems to 10.11.5 or later supported Apple releases.; Inventory and retire systems that cannot receive Apple security updates.; Restrict execution of untrusted apps on any legacy Mac endpoints..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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Execution behavior lookup
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Open ATT&CK lookupCVE-2016-1821 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/HT206567CVE reference · x_refsource_CONFIRM
- https://bugs.chromium.org/p/project-zero/issues/detail?id=776CVE reference · x_refsource_MISC
- 39926CVE reference · exploit, x_refsource_EXPLOIT-DB
Products and packages named in the record
CWE details
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