CVE-2026-28923

Description

A logging issue was addressed with improved data redaction. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. A malicious app may be able to break out of its sandbox.

Overview

State: PUBLISHED
Assigner (CNA): apple
CVSS severity: high
CVSS score: 8.8 / 10
CVSS vector: AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Effective score: 8.8 / 10 HIGH source: CNA overview
CWE(s): —
Reserved: 2026-03-03
Published: 2026-05-11 22:07 UTC
Last updated: 2026-05-13 05:57 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/28xxx/CVE-2026-28923.json
Linked Threat: CVE-2026-28923 — CVE-2026-28923

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 17:24:58 UTC
NVD CVSS v3.1: 8.8 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Exploitability subscore: 2.0 / 10
Impact subscore: 6.0 / 10
EPSS score: 0.0001 (probability of exploitation in next 30 days)
EPSS percentile: 1.77% vs all CVEs — higher = more likely to be exploited, as of 2026-05-25

NVD-assigned CWE(s): CWE-532 (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-2026-29243
Assigner: apple
Published: May 11, 2026, 8:07:46 PM
Updated: May 13, 2026, 3:57:45 AM
EUVD base score (CVSS 3.1): 8.8 / 10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EUVD-reported EPSS: 0.0100
Vendors: Apple
Products: macOS (0 <26.5)

macOS (0 <15.7.7)

macOS (0 <14.8.7)

ENISA description: A logging issue was addressed with improved data redaction. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. A malicious app may be able to break out of its sandbox.

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-2026-28923 rapid7:attackerkb.com
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-29243 rapid7:euvd.enisa.europa.eu
http://cwe.mitre.org/data/definitions/532.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-2026-28923 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-28923 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 (16)

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

Microsoft and Adobe Patch Tuesday, March 2026 Security Update Review

web:blog.qualys.com

Microsoft has rolled out its March 2026 Patch Tuesday updates, delivering a fresh batch of security fixes designed to keep Windows environments protected from emerging threats.

2026-05-23 21:00 UTC
Microsoft Patch Tuesday March 2026 - 78 Vulnerabilities Fixed ...

web:cybersecuritynews.com

Microsoft released its March 2026 Patch Tuesday security update on March 10, 2026 , addressing 78 vulnerabilities across Windows, Microsoft Office, Azure, SQL Server, and .NET. The update includes one actively exploited zero-day vulnerability and multiple Critical-rated flaws demanding immediate attention from security teams. The most urgent fix this month is CVE - 2026 -21262, the sole zero-day ...

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
ArcGIS Server Security 2025 Update 2 Patch - Esri Support

web:support.esri.com

Esri announces ArcGIS Server Security 2025 Update 2 Patch . Esri recommends that all customers using ArcGIS Server 11.5, 11.4, 11.3, 11.1 and 10.9.1 apply this patch . This patch deals specifically with the issues listed below under Issues addressed with this patch . This patch can be uninstalled as outlined in the Uninstalling this patch on Windows and Uninstalling this patch on Linux sections ...

2026-05-23 21:00 UTC
Cisco Fixes CVE-2026-20223 Secure Workload API Flaw

web:thecyberexpress.com

Cisco has released security updates to fix a critical vulnerability, tracked as CVE - 2026 -20223, affecting its Cisco Secure Workload platform. The flaw, which received the maximum CVSS score of 10.0, could allow an unauthenticated remote attacker to access sensitive information and make unauthorized configuration changes through vulnerable REST ...

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
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
Microsoft's March 2026 update fixes 80+ security vulnerabilities

web:www.pcworld.com

This month's Patch Tuesday brings over 80 fixes for various security vulnerabilities. Fortunately, none are actively being exploited in the wild yet.

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
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.

2026-05-26 02:53 UTC
Security Advisory Bulletin 064 | Ubiquiti Community

web:community.ui.com

Published: May 21, 2026 Updated: May 22, 2026 Version: 1.1 Revision: 1.1 Summary 1 of 5 A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection. Affected Products: UniFi OS Server (Version 5.0.6 and earlier) Mitigation : Update your UniFi OS Server to Version 5.0.8 or later ...

2026-05-26 02:53 UTC
Microsoft April 2026 Patch Tuesday Fixes 168 Flaws, Includes Actively ...

web:cyberpress.org

Microsoft has released its April 2026 Patch Tuesday updates, fixing 168 vulnerabilities across Windows, cloud, and application products, including one actively exploited zero-day in Microsoft SharePoint Server.

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
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
Quantifying 2026 Routinely Targeted Vulnerabilities (So Far)

web:www.vulncheck.com

In February, VulnCheck introduced our 2025 Routinely Targeted Vulnerabilities list, a compilation of CVEs researched and exploited by a range of threat actors in 2025. Today, we're releasing a list of 2026 vulnerabilities that our analysts have determined qualify for "Routinely Targeted" status based on a combination of threat actor, ransomware, and botnet targeting, along with public ...

2026-05-26 02:53 UTC

AI Forensic Analysis

Only Available for Registered Users. Sign in to view.

Raw JSON

The full cvelistV5 record. Download as CVE-2026-28923.json.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "LOW",
              "scope": "CHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-28923",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-12T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-532",
                "description": "CWE-532 Insertion of Sensitive Information into Log File",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-13T03:57:45.537Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "14.8.7",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThan": "15.7.7",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
              "lessThan": "26.5",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A logging issue was addressed with improved data redaction. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. A malicious app may be able to break out of its sandbox."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "A malicious app may be able to break out of its sandbox",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T20:07:46.535Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "url": "https://support.apple.com/en-us/127115"
        },
        {
          "url": "https://support.apple.com/en-us/127116"
        },
        {
          "url": "https://support.apple.com/en-us/127117"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2026-28923",
    "datePublished": "2026-05-11T20:07:46.535Z",
    "dateReserved": "2026-03-03T16:36:03.987Z",
    "dateUpdated": "2026-05-13T03:57:45.537Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}