Security readout for executives and security teams
Plain-English summary
CVE-2026-20612 is an Apple macOS privacy flaw. Apple says an app may be able to access sensitive user data. The issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, and macOS Tahoe 26.3.
Executive priority
Prioritize routine-to-accelerated macOS patching, especially for users handling sensitive data. This is a confidentiality issue rather than a system takeover issue, but it can create privacy and data exposure risk if unpatched apps are allowed to run.
Technical view
Apple describes this as CWE-200 information exposure caused by insufficient checks, addressed with improved checks. CVSS 3.1 is 5.5: local attack vector, low complexity, no privileges, user interaction required, high confidentiality impact, and no integrity or availability impact.
Likely exposure
Exposure is limited to macOS systems not updated to the fixed releases named by Apple. The source data does not identify exact vulnerable prior versions, affected components, or specific sensitive data types.
Exploitation context
No CISA KEV listing is provided, and the source bundle does not report active exploitation. The CVSS vector indicates exploitation requires local context and user interaction, consistent with a malicious or unwanted app scenario.
Researcher notes
Public details are sparse. Apple does not name the affected macOS component, data class, proof-of-concept, or exploit conditions beyond local access and user interaction implied by CVSS. Treat validation as version-based unless Apple publishes deeper technical indicators.
Mitigation direction
- Update macOS Sequoia systems to 15.7.4 or later.
- Update macOS Sonoma systems to 14.8.4 or later.
- Update macOS Tahoe systems to 26.3 or later.
- Review Apple security advisories for any environment-specific guidance.
Validation and detection
- Inventory macOS endpoints and record installed major and minor versions.
- Confirm Sequoia, Sonoma, and Tahoe systems meet Apple’s fixed versions.
- Check MDM or endpoint management compliance reports for update status.
- Review Apple advisory pages for revised affected-version details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-20612 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/126348CVE reference
- https://support.apple.com/en-us/126349CVE reference
- https://support.apple.com/en-us/126350CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.