CISA ADP Vulnrichment

Answer in brief

CVE-2026-65400 records a High severity (CVSS 7.1) vulnerability in CISA ADP Vulnrichment. The current sources mark it as known exploited. The current feed maps Apple/macOS (generic), Apple/macOS (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 6, 2026Updated Sep 15, 2026Source checked Sep 21, 2026First seen by HOL Aug 6, 2026Material review Sep 15, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 7.1
Exploitation: Known exploited
Affected software: 3 mapped packages or products
Fix availability: Available

Why this deserves its current priority

CVSS is 7.1. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apple/macOS (generic), Apple/macOS (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
Product	Affected versions	Fixed versions
cpe:2.3:o:apple:macos::::::::	Not reported	Not reported

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Apple/macOSgeneric	>=0 <14.8.9 \|\| >=0 <15.7.9 \|\| >=0 <26.6.1	14.8.9, 15.7.9, 26.6.1
Apple/macOSgeneric	>=0 <14.8.9 \|\| >=0 <15.7.9 \|\| >=0 <26.6.1 \|\| >=0 <26.7 \|\| >=0 <27	14.8.9, 15.7.9, 26.6.1, 26.7, 27

Recommended response

Check inventory. Check lockfiles and deployed manifests for Apple/macOS, Apple/macOS.
Review the reported fix. Update Apple/macOS to 14.8.9; Apple/macOS to 14.8.9 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 15, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 6, 2026
Added to CISA KEV
Aug 18, 2026
Evidence: source:kev:kev:kev:record

Sources and claim methodology

Upstream source description

An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, macOS Tahoe 26.7. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials.

Quoted source text, attributed separately from HOL analysis.