CVE-2026-50451

HIGHNVD 7.87.8
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 87% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 5 sources updated this week
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Missing authentication for critical function in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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 computed
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
13%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 27, 2026

Advisory Details (1)

Auto-updated Jul 15, 2026
Patch available. Sources: microsoft.
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50451

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 23× in last 7d / 48× 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.

  1. 2026-07-28 00:08 UTCVendor advisory
  2. 2026-07-28 00:08 UTCGHSA enrichment
  3. 2026-07-27 22:30 UTCVendor advisory
  4. 2026-07-27 22:30 UTCGHSA enrichment
  5. 2026-07-27 16:29 UTCEG score recompute
  6. 2026-07-27 16:29 UTCVendor advisory
  7. 2026-07-27 16:29 UTCGHSA enrichment
  8. 2026-07-27 06:25 UTCVendor advisory
  9. 2026-07-27 06:25 UTCGHSA enrichment
  10. 2026-07-26 17:38 UTCEG score recompute
  11. 2026-07-26 17:38 UTCVendor advisory
  12. 2026-07-26 17:38 UTCGHSA enrichment
  13. 2026-07-26 14:54 UTCEPSS rescore
  14. 2026-07-26 04:52 UTCEG score recompute
  15. 2026-07-26 04:52 UTCVendor advisory
  16. 2026-07-26 04:52 UTCGHSA enrichment
  17. 2026-07-25 14:18 UTCEPSS rescore
  18. 2026-07-24 14:18 UTCEPSS rescore
  19. 2026-07-23 14:18 UTCEPSS rescore
  20. 2026-07-23 03:18 UTCEG score recompute 0.70
  21. 2026-07-22 14:08 UTCEPSS rescore
  22. 2026-07-21 17:18 UTCNVD updateCVSS v3 → 7.8
  23. 2026-07-21 15:25 UTCEPSS rescore
  24. 2026-07-20 17:08 UTCEPSS rescore
  25. 2026-07-19 14:31 UTCEPSS rescore
Show 23 more
  1. 2026-07-19 14:31 UTCEPSS rescore
  2. 2026-07-19 03:08 UTCEG score recompute
  3. 2026-07-19 03:08 UTCVendor advisory
  4. 2026-07-19 03:08 UTCGHSA enrichment
  5. 2026-07-19 02:29 UTCEPSS rescore
  6. 2026-07-18 10:04 UTCEPSS rescore
  7. 2026-07-17 07:53 UTCEG score recompute
  8. 2026-07-17 07:53 UTCVendor advisory
  9. 2026-07-17 07:53 UTCGHSA enrichment
  10. 2026-07-16 20:51 UTCVendor advisory
  11. 2026-07-16 20:51 UTCGHSA enrichment
  12. 2026-07-16 17:03 UTCEPSS rescore
  13. 2026-07-16 08:05 UTCVendor advisory
  14. 2026-07-16 08:05 UTCGHSA enrichment
  15. 2026-07-15 19:19 UTCVendor advisory
  16. 2026-07-15 19:19 UTCGHSA enrichment
  17. 2026-07-15 16:57 UTCEPSS rescore
  18. 2026-07-15 16:57 UTCEPSS rescore
  19. 2026-07-15 06:34 UTCVendor advisory
  20. 2026-07-15 06:34 UTCGHSA enrichment
  21. 2026-07-14 17:48 UTCEG score recompute
  22. 2026-07-14 17:48 UTCVendor advisory
  23. 2026-07-14 17:40 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-50451?
CVE-2026-50451 is a high vulnerability published on July 14, 2026. Missing authentication for critical function in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
When was CVE-2026-50451 disclosed?
CVE-2026-50451 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50451 actively exploited?
CVE-2026-50451 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 87.2% of all scored CVEs.
What is the CVSS score of CVE-2026-50451?
CVE-2026-50451 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-50451?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50451, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-50451

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