CVE-2026-84542
An access issue was addressed with improved access restrictions. This issue is fixed in macOS...
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to read files outside of its sandbox.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to read files outside of its sandbox.
- Record
CVE-2026-84542- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-04
EUVDEUVD-2026-110389
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to read files outside of its sandbox.
- Record
EUVD-2026-110389- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-04
GitHub AdvisoriesGHSA-5mxm-r36w-vfwp
An access issue was addressed with improved access restrictions. This issue is fixed in macOS...
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to read files outside of its sandbox.
- Record
GHSA-5mxm-r36w-vfwp- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-04
NVD
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to read files outside of its sandbox.
- Record
CVE-2026-84542- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-04
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| references | EUVD, GitHub Advisories, NVD | |
| cwes, facts, severity | CVE List | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-84542 is a medium vulnerability (CVSS 5.5) in Apple Macos, published October 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.