CVE-2026-86868
CRITICAL
9.1
CVSS Score
Published: October 20, 2026 at 12:50 AM UTC
Updated: October 29, 2026 at 06:17 PM UTC
1 product affected across 1 vendormacOS
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Severity
CRITICAL9.1
Exploit prediction
EPSS 0.5%
SSVC
No known exploit
Description
An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker may be able to impersonate other users.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
Source: cverecord
https://support.apple.com/en-us/149035Source: cverecord
https://support.apple.com/en-us/149042Source: cverecord
https://support.apple.com/en-us/149043SSVC — Action Prioritization
SSVCNo known exploitAutomatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
9.1CRITICALCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusUNDERGOING ANALYSIS
CWE
CWE-287
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