CVE-2026-84487

MEDIUM
Published Sep 14, 2026 Modified Sep 16, 2026 CWE-190

Description

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted file may result in disclosure of process memory.

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CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0036
Probability of exploitation
0.30%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-190 Integer Overflow

Affected Products

Vendor Product
apple ipados
apple iphone_os
apple macos
apple macos
apple tvos
apple visionos
apple watchos

References

Frequently Asked Questions

What is CVE-2026-84487? +
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted file may result in disclosure of process memory. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2026-84487? +
CVE-2026-84487 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0036, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-84487? +
CVE-2026-84487 affects products from apple, specifically: ipados, iphone_os, macos, tvos, visionos, watchos. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-84487? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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