A buffer overflow was addressed with improved bounds checking.

published 2026-03-25 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-15151

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote attacker may be able to cause a denial-of-service.

Patch / fix

fixed in 1

Apple iOS and iPadOS 26.4

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 7 mo ago (2026-03-25)

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Apple iOS and iPadOS

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

support.apple.com /en-us/126792
release-notes, vendor-advisory

Sources

CVE List CVE-2026-28875
NVD CVE-2026-28875

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary