PatchTheCVECVE-2026-86943: The issue was addressed with improved memory handling
CVE-2026-86943 is a high-severity flaw (CVSS 7.5) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27.2. A remote attacker may be able to cause a denial-of-service.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 86%) |
| CISA exploited list | No |
| Weakness | CWE-119 |
| Published | 2026-10-26 |
| Last modified | 2026-11-04 |
Last updated 2026-11-04 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Research and news
- Vulners Bulletins: CVE-2026-86943 2026-10-26
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-86943?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-86943 being exploited?
CVE-2026-86943 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-86943 affect?
CVE-2026-86943 affects affected software. Severity is high (CVSS 7.5). The issue was addressed with improved memory handling. This issue is fixed in macOS Golden Gate 27.2. A remote attacker may be able to cause a denial-of-service.
How urgent is CVE-2026-86943?
Priority 35/100. High severity; Remotely exploitable, no login, no user action