High-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access (CVE-2026-40140) | HOL Guard CVE

High · CVSS 8.7CVE-2026-40140

High-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access

Answer in brief

CVE-2026-40140 records a High severity (CVSS 8.7) vulnerability in High-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access. The current sources do not mark it as known exploited. The current feed maps BeyondTrust/Privileged Remote Access (generic), BeyondTrust/Remote Support (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 Jul 6, 2026Updated Jul 7, 2026Source checked Sep 19, 2026First seen by HOL Jul 6, 2026Material review Jul 7, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 8.7
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Not reported

Why this deserves its current priority

CVSS is 8.7. The current sources do not mark it as known exploited. 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 BeyondTrust/Privileged Remote Access (generic), BeyondTrust/Remote Support (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
BeyondTrust/Privileged Remote Accessgeneric	0	Not reported
BeyondTrust/Remote Supportgeneric	0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for BeyondTrust/Privileged Remote Access, BeyondTrust/Remote Support.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Jul 6, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Jul 7, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Jul 6, 2026

Sources and claim methodology

Source referencebeyondtrust.com

Upstream source description

BeyondTrust Remote Support and Privileged Remote Access contain a high-severity pre-authentication vulnerability in the network communication subsystem. Insufficient validation of client-supplied input may allow an unauthenticated remote attacker to trigger a denial-of-service condition affecting appliance availability.

Quoted source text, attributed separately from HOL analysis.