CVE-2026-28967

Description

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4. An attacker in a privileged network position may be able to cause a denial-of-service.

CVSS v3.1 Score

4.9

MEDIUM

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

EPSS — Exploit Prediction

0.0005

Probability of exploitation

0.17%

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-400 Uncontrolled Resource Consumption

Affected Products

Vendor	Product	Versions
apple	ipados	< 18.7.7
apple	ipados	26.0 — 26.4
apple	iphone_os	< 18.7.7
apple	iphone_os	26.0 — 26.4

References

Advisories & Patches

https://support.apple.com/en-us/126792 https://support.apple.com/en-us/126793

Frequently Asked Questions

What is CVE-2026-28967? +

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4. An attacker in a privileged network position may be able to cause a denial-of-service. It has a CVSS v3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2026-28967? +

CVE-2026-28967 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0005, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-28967? +

CVE-2026-28967 affects products from apple, specifically: ipados, iphone_os. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-28967? +

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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