CVE-2026-28919

Description

A consistency issue was addressed with improved state handling. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to gain root privileges.

Overview

State: PUBLISHED
Assigner (CNA): apple
CVSS severity: high
CVSS score: 7.8 / 10
CVSS vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Effective score: 7.8 / 10 HIGH source: CNA overview
CWE(s): —
Reserved: 2026-03-03
Published: 2026-05-11 22:07 UTC
Last updated: 2026-05-12 15:09 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/28xxx/CVE-2026-28919.json
Linked Threat: CVE-2026-28919 — CVE-2026-28919

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 21:18:54 UTC
NVD last modified: 2026-05-12 17:10:01 UTC
NVD CVSS v3.1: 7.8 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore: 1.8 / 10
Impact subscore: 5.9 / 10
EPSS score: 0.0001 (probability of exploitation in next 30 days)
EPSS percentile: 1.55% vs all CVEs — higher = more likely to be exploited, as of 2026-05-25

NVD-assigned CWE(s): CWE-269 (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-2026-29240
Assigner: apple
Published: May 11, 2026, 8:07:49 PM
Updated: May 12, 2026, 1:09:59 PM
EUVD base score (CVSS 3.1): 7.8 / 10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EUVD-reported EPSS: 0.0100
Vendors: Apple
Products: macOS (0 <14.8.7)

macOS (0 <26.5)

macOS (0 <15.7.7)

ENISA description: A consistency issue was addressed with improved state handling. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to gain root privileges.

EUVD references (3)

Affected products (1)

Vendor	Product	Versions	Platforms
Apple	macOS	`0` (affected), `0` (affected), `0` (affected)	—

Affected products — CPE 2.3 (1) 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:macos:*:*:*:*:*:*:*:*

Vendor references (3)

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

MITRE references (3) 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-2026-28919 rapid7:attackerkb.com
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-29240 rapid7:euvd.enisa.europa.eu
http://cwe.mitre.org/data/definitions/269.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-2026-28919 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-28919 tenable:www.cve.org

NVD-tagged references (3)

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/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

Remediations (17)

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

Apple May 2026 Security Update Addresses Critical Vulnerabilities

web:aviatrix.ai

Apple's May 2026 security update fixes 84 vulnerabilities, including critical issues like CVE - 2026 -28819, enhancing device security across multiple platforms.

2026-05-23 21:00 UTC
Microsoft Patch Tuesday for May 2026 — Snort rules and prominent ...

web:blog.talosintelligence.com

Microsoft has released its monthly security update for May 2026 , which includes 137 vulnerabilities affecting a range of products, including 16 that Microsoft marked as "critical".

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 .

2026-05-23 21:00 UTC
Microsoft addresses 137 vulnerabilities in May's Patch Tuesday ...

web:cyberscoop.com

Threats Microsoft addresses 137 vulnerabilities in May's Patch Tuesday, including 13 rated critical The high volume of vulnerabilities reflects a growing trend researchers have been anticipating as artificial intelligence models are deployed to find previously uncovered defects in code.

2026-05-23 21:00 UTC
Patch Tuesday, May 2026 Edition - Krebs on Security

web:krebsonsecurity.com

Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.

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
May 12, 2026—KB5087539 (OS Build 26100.32860) - Microsoft Support

web:support.microsoft.com

This cumulative update for Windows Server 2025 (KB5087539 ), includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For ...

2026-05-23 21:00 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.

2026-05-23 21:00 UTC
Quantifying 2026 Routinely Targeted Vulnerabilities (So Far)

web:www.vulncheck.com

VulnCheck identified 25 CVEs disclosed in 2026 that have been routinely targeted by adversaries and researchers so far this year, drawing from a global body of exploit code and exploitation data.

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
Nvd - Cve-2026-6919

web:nvd.nist.gov

An official website of the United States government Here's how you know

2026-05-26 02:53 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 02:53 UTC
Addressing Exchange Server May 2026 vulnerability CVE-2026-42897

web:techcommunity.microsoft.com

We wanted to tell you how to address the Exchange Server May 2026 vulnerability CVE - 2026 -42897.

2026-05-26 02:53 UTC
CVE-2026-42897 Exchange OWA Mitigation M2: What Admins Must Verify

web:windowsforum.com

Microsoft's Fastest Fix Is a Mitigation , Not a Patch The important detail in Microsoft's May 14 notice is that there is no permanent Exchange security update available yet for CVE - 2026 -42897. Microsoft says it is working on one and will release it later for affected supported paths, but today's defensive action is mitigation .

2026-05-26 02:53 UTC
Exchange Server 2016 And 2019 Hit By Critical OWA Vulnerability

web:windowsreport.com

Microsoft warned Exchange Server customers about critical OWA vulnerability CVE - 2026 -42897 affecting on-premises deployments.

2026-05-26 02:53 UTC
Microsoft Confirms Active 0-Day Exploit—Check Emergency Mitigation

web:www.forbes.com

Updated May 17: This article, originally published May 16, has been updated to include further details on the emergency mitigation process recommended after the CVE - 2026 -42897 Microsoft Exchange ...

2026-05-26 02:53 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.

2026-05-26 02:53 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-28919.json.

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              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
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                  }
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