CVE-2026-20701 Security feature bypass in macOS

High 7.5 Published Updated

An app can connect to a network share without user consent, bypassing macOS sandbox restrictions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-20701?

CVE-2026-20701 is a high-severity vulnerability in Apple Macos, published on 25 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to connect to a network share without user consent.

Weakness: CWE-693

Which versions are affected by CVE-2026-20701?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-20701?

No fix has been published for CVE-2026-20701 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-20701 being exploited?

There is no known exploitation of CVE-2026-20701 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-5g2j-7mcf-43r8.

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