CVE-2026-86907
MEDIUMCVSS 4.4/10EPSS 0.15%
Last modified
CVE-2026-86907 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. An authorization issue was addressed with improved entitlement checks. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
Description
An authorization issue was addressed with improved entitlement checks. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. An app with admin privileges may be able to modify the System Keychain.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Apple | macOS | < 15.8; < 26.7 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-86907?
An authorization issue was addressed with improved entitlement checks. This issue is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7. An app with admin privileges may be able to modify the System Keychain.
How severe is CVE-2026-86907?
CVE-2026-86907 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2026-86907?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
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Are you affected by CVE-2026-86907?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST