CVE-2026-28873

Description

This issue was addressed with additional entitlement checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. An app may be able to circumvent App Privacy Report logging.

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CVSS v3.1 Score

7.5

HIGH

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

EPSS — Exploit Prediction

0.0004

Probability of exploitation

0.12%

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-863 Incorrect Authorization

Affected Products

Vendor	Product	Versions
apple	ipados	< 18.7.9
apple	ipados	26.0 — 26.4
apple	iphone_os	< 18.7.9
apple	iphone_os	26.0 — 26.4

References

Advisories & Patches

https://support.apple.com/en-us/126792 https://support.apple.com/en-us/127111

Frequently Asked Questions

What is CVE-2026-28873? +

This issue was addressed with additional entitlement checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.4 and iPadOS 26.4. An app may be able to circumvent App Privacy Report logging. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-28873? +

CVE-2026-28873 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0004, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-28873? +

CVE-2026-28873 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-2026-28873? +

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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