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CVE-2026-39877: macos from 14.0 (inclusive), before 14.8.8 (exclusive), from 15.0 (inclusive), before 15.7.8 (exclusive); +5 more…
CVE-2026-39877. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00173 (percentile 0.06467), scored 22-Oct-2026.
Affected technology
macos · from 14.0 (inclusive), before 14.8.8 (exclusive)
apple
macos · from 15.0 (inclusive), before 15.7.8 (exclusive)
apple
iOS and iPadOS · 0 to before 18.7.10, 0 to before 26.5
Apple
macOS · 0 to before 14.8.8, 0 to before 15.7.8, 0 to before 26.5
Apple
tvOS · 0 to before 26.5
Apple
visionOS · 0 to before 26.5
Apple
watchOS · 0 to before 26.5
Apple
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 3.1): Local · No privileges required · User interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-119
- CCR priority
- 31.2 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00173 · percentile 0.06459 · 2026-10-24
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-39877.html