CVE-2026-28846

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. A remote attacker may be able to cause unexpected app termination.

Overview

State: PUBLISHED
Assigner (CNA): apple
CVSS severity: high
CVSS score: 7.5 / 10
CVSS vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Effective score: 7.5 / 10 HIGH source: CNA overview
CWE(s): —
Reserved: 2026-03-03
Published: 2026-05-11 22:07 UTC
Last updated: 2026-05-12 19:18 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/28xxx/CVE-2026-28846.json
Linked Threat: CVE-2026-28846 — CVE-2026-28846

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-05-11 21:18:51 UTC
NVD last modified: 2026-05-13 13:46:03 UTC
NVD CVSS v3.1: 7.5 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability subscore: 3.9 / 10
Impact subscore: 3.6 / 10
EPSS score: 0.0018 (probability of exploitation in next 30 days)
EPSS percentile: 39.69% vs all CVEs — higher = more likely to be exploited, as of 2026-05-25

NVD-assigned CWE(s): CWE-121 (differs from the CNA list above)

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-29218
Assigner: apple
Published: May 11, 2026, 8:07:43 PM
Updated: May 12, 2026, 5:18:58 PM
EUVD base score (CVSS 3.1): 7.5 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EUVD-reported EPSS: 0.1800
Vendors: Apple
Products: macOS (0 <26.5)

tvOS (0 <26.5)

visionOS (0 <26.5)

iOS and iPadOS (0 <26.5)

watchOS (0 <26.5)

iOS and iPadOS (0 <18.7.9)

macOS (0 <14.8.7)

macOS (0 <15.7.7)

ENISA description: A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. A remote attacker may be able to cause unexpected app termination.

EUVD references (8)

Affected products (5)

Vendor	Product	Versions	Platforms
Apple	iOS and iPadOS	`0` (affected), `0` (affected)	—
Apple	macOS	`0` (affected), `0` (affected), `0` (affected)	—
Apple	tvOS	`0` (affected)	—
Apple	visionOS	`0` (affected)	—
Apple	watchOS	`0` (affected)	—

Affected products — CPE 2.3 (6) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

Vendor references (8)

References embedded in the original CVE record by the assigning CNA.

MITRE references (8) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

Web references (7)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

https://attackerkb.com/topics/CVE-2026-28846 rapid7:attackerkb.com
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-29218 rapid7:euvd.enisa.europa.eu
http://cwe.mitre.org/data/definitions/121.html rapid7:cwe.mitre.org
https://www.first.org/epss/ tenable:www.first.org
https://isc.sans.edu/diary/rss/32976 tenable:isc.sans.edu
https://nvd.nist.gov/vuln/detail/CVE-2026-28846 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-28846 tenable:www.cve.org

NVD-tagged references (8)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://support.apple.com/en-us/127110 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/127111 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/127115 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/127116 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/127117 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/127118 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/127119 product-security@apple.com Release NotesVendor Advisory
https://support.apple.com/en-us/127120 product-security@apple.com Release NotesVendor Advisory

Remediations (15)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

CVE-2026-28846 - Vulnerability Details - OpenCVE

web:app.opencve.io

Remediation No vendor fix or workaround currently provided. OpenCVE Recommended Actions Upgrade all affected Apple OS devices to iOS 18.7.9, iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5, or later releases containing the fix .

2026-05-23 21:00 UTC
Microsoft and Adobe Patch Tuesday, April 2026 Security Update Review

web:blog.qualys.com

With Qualys Policy Audit's out-of-the-box mitigation or Compensatory Controls, which reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done immediately, these security controls are not recommended by any industry standards, such as CIS and DISA-STIG.

2026-05-23 21:00 UTC
Nvd - Cve-2026-8486

web:nvd.nist.gov

This is a potential security issue, you are being redirected to https://nvd.nist.gov

2026-05-23 21:00 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-23 21:00 UTC
Apple iOS/macOS Buffer Overflow Causing App Termination (fixed in 18.7. ...

web:stack.watch

CVE-2026-28846 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity.

2026-05-23 21:00 UTC
About the security content of iOS 26.4 and iPadOS 26.4

web:support.apple.com

This document describes the security content of iOS 26.4 and iPadOS 26.4.

2026-05-23 21:00 UTC
April 2026 Patch Tuesday: Updates and Analysis | CrowdStrike

web:www.crowdstrike.com

Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.

2026-05-23 21:00 UTC
Oracle Critical Patch Update Advisory - April 2026

web:www.oracle.com

This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

2026-05-23 21:00 UTC
CVE-2026-28846 - High Vulnerability - TheHackerWire

web:www.thehackerwire.com

How severe is CVE-2026-28846 ? What Apple products are affected by CVE-2026-28846 ? How do I fix or mitigate CVE-2026-28846 ? When was CVE-2026-28846 disclosed?

2026-05-23 21:00 UTC
Patch Tuesday May 2026: Security Updates & CVE Analysis

web:zecurit.com

Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

2026-05-23 21:00 UTC
CISA Warns of Exploited Microsoft Defender 0-Day Flaws

web:cyberpress.org

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .

2026-05-26 02:52 UTC
Portal for ArcGIS Security 2026 Update 1 Patch - Esri Support

web:support.esri.com

The C version of this patch also includes additional bug fixes not related to security, refer to the updated Issues Addressed with this Patch section for the latest details. Important Note - April 20, 2026 : The 11.4 version of the Portal for ArcGIS Security 2026 Update 1 Patch is now available.

2026-05-26 02:52 UTC
Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero-days

web:www.bleepingcomputer.com

Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.

2026-05-26 02:52 UTC
Microsoft Technical Security Notifications

web:www.microsoft.com

Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.

2026-05-26 02:52 UTC
Windows 11 April 2026 Update tested: What's new, improved and fixed

web:www.windowslatest.com

Windows 11 April 2026 update adds Narrator Copilot support, faster Settings, File Explorer fixes, and key security improvements.

2026-05-26 02:52 UTC

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2026-28846.json.

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