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.
CVE-2026-40140
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-06. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 49%
- KEV
- Not listed
Published
July 6, 2026
Last Modified
July 7, 2026
References (1)
- 13061848-ea10-403d-bd75-c83a022c2891https://www.beyondtrust.com/trust-center/security-advisories/bt26-03
Vendor Advisories for CVE-2026-40140(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 77× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 194 total refreshes for this CVE.
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 09:37 UTCEPSS rescore
- 2026-09-10 09:34 UTCEPSS rescore
- 2026-09-08 22:00 UTCEPSS rescore
- 2026-09-07 16:01 UTCEPSS rescore
- 2026-09-06 14:11 UTCEG score recompute
- 2026-09-06 14:11 UTCGHSA enrichment
- 2026-09-06 13:47 UTCEPSS rescore
- 2026-09-05 23:12 UTCEG score recompute
- 2026-09-05 23:12 UTCGHSA enrichment
- 2026-09-04 05:06 UTCEPSS rescore
- 2026-09-02 14:12 UTCEPSS rescore
- 2026-09-01 13:53 UTCEPSS rescore
- 2026-09-01 04:39 UTCEPSS rescore
- 2026-08-30 20:44 UTCEG score recompute
- 2026-08-30 20:44 UTCGHSA enrichment
- 2026-08-30 19:17 UTCEPSS rescore
- 2026-08-30 08:15 UTCEG score recompute
- 2026-08-30 08:15 UTCGHSA enrichment
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-28 21:41 UTCEPSS rescore
- 2026-08-27 21:59 UTCEG score recompute
- 2026-08-27 21:59 UTCGHSA enrichment
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-27 02:24 UTCEG score recompute
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- 2026-08-27 02:24 UTCGHSA enrichment
- 2026-08-26 14:46 UTCEPSS rescore
- 2026-08-26 13:55 UTCEG score recompute
- 2026-08-26 13:55 UTCGHSA enrichment
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-25 12:02 UTCGHSA enrichment
- 2026-08-24 22:31 UTCEG score recompute
- 2026-08-24 22:31 UTCGHSA enrichment
- 2026-08-24 10:02 UTCEG score recompute
- 2026-08-24 10:02 UTCGHSA enrichment
- 2026-08-23 19:22 UTCGHSA enrichment
- 2026-08-23 06:51 UTCEG score recompute
- 2026-08-23 06:51 UTCGHSA enrichment
- 2026-08-23 00:19 UTCEPSS rescore
- 2026-08-22 18:22 UTCGHSA enrichment
- 2026-08-22 05:48 UTCEG score recompute
- 2026-08-22 05:48 UTCGHSA enrichment
- 2026-08-21 23:49 UTCEPSS rescore
- 2026-08-21 17:03 UTCGHSA enrichment
- 2026-08-21 04:18 UTCEG score recompute
- 2026-08-21 04:18 UTCGHSA enrichment
- 2026-08-20 22:55 UTCEPSS rescore
- 2026-08-20 15:48 UTCGHSA enrichment
- 2026-08-20 02:29 UTCEG score recompute
- 2026-08-20 02:29 UTCGHSA enrichment
- 2026-08-19 17:03 UTCEPSS rescore
- 2026-08-19 09:17 UTCGHSA enrichment
- 2026-08-18 20:49 UTCEG score recompute
- 2026-08-18 20:49 UTCGHSA enrichment
- 2026-08-18 13:48 UTCEPSS rescore
- 2026-08-18 03:48 UTCGHSA enrichment
- 2026-08-17 15:13 UTCEG score recompute
- 2026-08-17 15:13 UTCGHSA enrichment
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 02:44 UTCEG score recompute
- 2026-08-17 02:44 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 14:15 UTCEG score recompute
- 2026-08-16 14:15 UTCGHSA enrichment
- 2026-08-16 02:14 UTCEPSS rescore
- 2026-08-16 01:46 UTCGHSA enrichment
- 2026-08-15 13:17 UTCEG score recompute
- 2026-08-15 13:17 UTCGHSA enrichment
- 2026-08-15 01:30 UTCEPSS rescore
- 2026-08-15 00:47 UTCGHSA enrichment
- 2026-08-14 12:18 UTCGHSA enrichment
- 2026-08-13 23:50 UTCEG score recompute
- 2026-08-13 23:50 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 11:19 UTCGHSA enrichment
- 2026-08-12 22:50 UTCEG score recompute
- 2026-08-12 22:50 UTCGHSA enrichment
- 2026-08-12 13:51 UTCEPSS rescore
- 2026-08-12 10:21 UTCGHSA enrichment
- 2026-08-11 21:48 UTCEG score recompute
- 2026-08-11 21:48 UTCGHSA enrichment
- 2026-08-11 13:43 UTCEPSS rescore
- 2026-08-11 09:19 UTCEG score recompute
- 2026-08-11 09:19 UTCGHSA enrichment
- 2026-08-11 00:00 UTCEPSS rescore
- 2026-08-10 20:50 UTCGHSA enrichment
- 2026-08-10 08:20 UTCGHSA enrichment
- 2026-08-09 19:52 UTCEG score recompute
- 2026-08-09 19:52 UTCGHSA enrichment
- 2026-08-09 13:46 UTCEPSS rescore
- 2026-08-09 07:23 UTCGHSA enrichment
- 2026-08-08 18:54 UTCEG score recompute
- 2026-08-08 18:54 UTCGHSA enrichment
- 2026-08-08 16:37 UTCEPSS rescore
- 2026-08-08 06:24 UTCGHSA enrichment
- 2026-08-07 17:55 UTCEG score recompute
- 2026-08-07 17:55 UTCGHSA enrichment
- 2026-08-07 05:26 UTCGHSA enrichment
- 2026-08-06 16:57 UTCEG score recompute
- 2026-08-06 16:57 UTCGHSA enrichment
Related CVEs(same CWE)
Same CWE
10 shownCWE-400
Frequently asked(5)
What is CVE-2026-40140?
When was CVE-2026-40140 disclosed?
Is CVE-2026-40140 actively exploited?
What is the CVSS score of CVE-2026-40140?
How do I remediate CVE-2026-40140?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-40140
Is Your Infrastructure Affected by CVE-2026-40140?
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