CVE-2026-50440

HIGHNVD 7.07.8▲
EchelonGraph scoreHIGH confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-14. NVD baseline CVSS 7.0; sources differ by 0.8.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 4 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: 7.0Exploit: None knownExposed: 0

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

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Audio Service allows an authorized attacker to elevate privileges locally.

CVSS v3
7.0
EG Score
7.8(high)
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
5%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 28, 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-2026-50440

Vendor Advisories for CVE-2026-50440(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 34× in last 7d / 61× 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. 2026-07-29 21:55 UTCVendor advisory
  2. 2026-07-29 21:55 UTCGHSA enrichment
  3. 2026-07-29 09:53 UTCVendor advisory
  4. 2026-07-29 09:53 UTCGHSA enrichment
  5. 2026-07-28 21:51 UTCVendor advisory
  6. 2026-07-28 21:50 UTCGHSA enrichment
  7. 2026-07-28 16:06 UTCEG score recompute
  8. 2026-07-28 16:06 UTCVendor advisory
  9. 2026-07-28 16:06 UTCGHSA enrichment
  10. 2026-07-28 15:37 UTCEPSS rescore
  11. 2026-07-28 12:16 UTCVendor advisory
  12. 2026-07-28 12:16 UTCGHSA enrichment
  13. 2026-07-28 00:11 UTCVendor advisory
  14. 2026-07-28 00:11 UTCGHSA enrichment
  15. 2026-07-27 22:32 UTCVendor advisory
  16. 2026-07-27 22:31 UTCGHSA enrichment
  17. 2026-07-27 16:32 UTCEG score recompute
  18. 2026-07-27 16:32 UTCVendor advisory
  19. 2026-07-27 16:32 UTCGHSA enrichment
  20. 2026-07-27 05:47 UTCVendor advisory
  21. 2026-07-27 05:47 UTCGHSA enrichment
  22. 2026-07-26 17:23 UTCVendor advisory
  23. 2026-07-26 17:23 UTCGHSA enrichment
  24. 2026-07-26 17:00 UTCEG score recompute
  25. 2026-07-26 17:00 UTCVendor advisory
Show 36 more
  1. 2026-07-26 17:00 UTCGHSA enrichment
  2. 2026-07-26 14:54 UTCEPSS rescore
  3. 2026-07-26 04:56 UTCEG score recompute
  4. 2026-07-26 04:56 UTCVendor advisory
  5. 2026-07-26 04:56 UTCGHSA enrichment
  6. 2026-07-25 14:18 UTCEPSS rescore
  7. 2026-07-24 14:18 UTCEPSS rescore
  8. 2026-07-23 14:18 UTCEPSS rescore
  9. 2026-07-23 03:18 UTCEG score recompute
  10. 2026-07-22 14:08 UTCEPSS rescore
  11. 2026-07-21 15:25 UTCEPSS rescore
  12. 2026-07-21 04:38 UTCNVD updateCVSS v3 → 7
  13. 2026-07-20 17:08 UTCEPSS rescore
  14. 2026-07-19 14:31 UTCEPSS rescore
  15. 2026-07-19 14:31 UTCEPSS rescore
  16. 2026-07-19 03:21 UTCEG score recompute
  17. 2026-07-19 03:21 UTCVendor advisory
  18. 2026-07-19 03:21 UTCGHSA enrichment
  19. 2026-07-19 02:29 UTCEPSS rescore
  20. 2026-07-18 10:04 UTCEPSS rescore
  21. 2026-07-17 06:02 UTCVendor advisory
  22. 2026-07-17 06:01 UTCGHSA enrichment
  23. 2026-07-16 17:59 UTCVendor advisory
  24. 2026-07-16 17:59 UTCGHSA enrichment
  25. 2026-07-16 17:03 UTCEPSS rescore
  26. 2026-07-16 05:57 UTCVendor advisory
  27. 2026-07-16 05:57 UTCGHSA enrichment
  28. 2026-07-15 17:55 UTCVendor advisory
  29. 2026-07-15 17:55 UTCGHSA enrichment
  30. 2026-07-15 16:57 UTCEPSS rescore
  31. 2026-07-15 16:57 UTCEPSS rescore
  32. 2026-07-15 05:53 UTCVendor advisory
  33. 2026-07-15 05:52 UTCGHSA enrichment
  34. 2026-07-14 17:50 UTCEG score recompute
  35. 2026-07-14 17:50 UTCVendor advisory
  36. 2026-07-14 17:40 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-50440?
CVE-2026-50440 is a high vulnerability published on July 14, 2026. Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Audio Service allows an authorized attacker to elevate privileges locally.
When was CVE-2026-50440 disclosed?
CVE-2026-50440 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on July 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50440 actively exploited?
CVE-2026-50440 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 95.0% of all scored CVEs.
What is the CVSS score of CVE-2026-50440?
CVE-2026-50440 has a CVSS v3 base score of 7.0 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.8.
How do I remediate CVE-2026-50440?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50440, 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-2026-50440

Explore →

Is Your Infrastructure Affected by CVE-2026-50440?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs