CVE-2026-84548 Integer overflow in macOS
An integer overflow in macOS allows an attacker to perform an out-of-bounds read by processing a maliciously crafted document.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-84548?
CVE-2026-84548 is a medium-severity vulnerability in Apple Macos, published on 14 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted document may lead to an out-of-bounds read.
Weakness: CWE-190
Which versions are affected by CVE-2026-84548?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-84548?
No fix has been published for CVE-2026-84548 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-84548 being exploited?
There is no known exploitation of CVE-2026-84548 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-6rwm-g9hc-x4rh.