CVE-2026-28918

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.

Published: 2026-05-11 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-28918 is rated Moderate Risk (40.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.51%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-28918

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.05% 0.51% +0.45%
2 2026-05-17 0.02% 0.05% +0.03%
3 2026-05-12 — 0.02% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-28918

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2026-28918

GitHub Security Advisory for CVE-2026-28918

GHSA-8pvj-crrw-v6jv · Severity: medium — An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in...

Affected software / configurations for CVE-2026-28918

Vendor Product Version Raw CPE
apple ipados < 26.5 cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone_os < 26.5 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos >= 26.0, < 26.5 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple tvos < 26.5 cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple visionos < 26.5 cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
apple watchos < 26.5 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

References for CVE-2026-28918

URL Tags
https://support.apple.com/en-us/127110 Release Notes Vendor Advisory
https://support.apple.com/en-us/127115 Release Notes Vendor Advisory
https://support.apple.com/en-us/127118 Release Notes Vendor Advisory
https://support.apple.com/en-us/127119 Release Notes Vendor Advisory
https://support.apple.com/en-us/127120 Release Notes Vendor Advisory
cvelogic Threat Intelligence