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CVE-2026-64695

Apple macOS buffer overflow

9.8 CRITICALEPSS 0.73%
  1. Published27 Jul 2026

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Apple macOS≥ 14.0 < 14.8.8 · ≥ 15.0 < 15.7.8 · ≥ 26.0 < 26.6

Remediation

Fixed in
Apple macOS≥ 14.8.8

References

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Frequently asked

Is CVE-2026-64695 being actively exploited?

CVE-2026-64695 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.73%.

How severe is CVE-2026-64695?

CVE-2026-64695 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.73% probability of exploitation.

Which products are affected by CVE-2026-64695?

Affected products include Apple macOS.

How do I fix CVE-2026-64695?

Upgrade affected software to a fixed version, for example Apple macOS 14.8.8 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-64695 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.