CVE-2026-28852

MEDIUMCVSS 5.5/10EPSS 0.21%

Last modified

CVE-2026-28852 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A stack overflow 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, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

A stack overflow 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, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause a denial-of-service.

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
0.21%

11.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AppleIpados< 18.7.7
AppleIpados>= 26.0, < 26.4
AppleIphone Os< 18.7.7
AppleIphone Os>= 26.0, < 26.4
AppleMacos>= 15.0, < 15.7.5
AppleMacos>= 26.0, < 26.4
AppleTvos< 26.4
AppleVisionos< 26.4
AppleWatchos< 26.4

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-28852?
A stack overflow 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, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause a denial-of-service.
How severe is CVE-2026-28852?
CVE-2026-28852 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-28852?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-28852?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST