CVE-2026-84547 json
A memory corruption issue was addressed with improved input validation.
published 23d ago modified 8d ago also EUVD-2026-104705
- cvss
- 3.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 9%
- public exploits
- 0
- none known
Summary
A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker in physical proximity may be able to corrupt process memory.
Patch / fix
- Apple macOS 15.8, 26.7, 27
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 22d ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 3.5 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 3.5 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected products
- Apple macOS
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
support.apple.com
/en-us/149035
vendor-advisory, release-notes
-
support.apple.com
/en-us/149042
vendor-advisory, release-notes
-
support.apple.com
/en-us/149043
vendor-advisory, release-notes
Sources
- CVE List CVE-2026-84547
- NVD CVE-2026-84547
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