CVE-2026-20495

HIGHPre-NVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.8 under CISA-ADP (Vulnrichment) CVSS v3.1 (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 99% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: cisa-adp, epss, ghsa
Trending — 3 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.

In Bluetooth driver, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00488300; Issue ID: MSV-7296.

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
1%
KEV
Not listed

Published

August 3, 2026

Last Modified

August 19, 2026

Advisory Details (1)

Auto-updated Aug 3, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

August 2026 MediaTek Security Bulletin

https://www.mediatek.com/product-security-bulletin/August-2026

Vendor Advisories for CVE-2026-20495(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 25× in last 7d / 73× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 17:54 UTCGHSA enrichment
  3. 2026-08-20 04:42 UTCEG score recompute
  4. 2026-08-20 04:42 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-19 15:29 UTCGHSA enrichment
  7. 2026-08-19 04:13 UTCGHSA enrichment
  8. 2026-08-18 14:56 UTCGHSA enrichment
  9. 2026-08-18 06:16 UTCGHSA enrichment
  10. 2026-08-17 17:03 UTCEG score recompute
  11. 2026-08-17 17:03 UTCGHSA enrichment
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-17 03:51 UTCEG score recompute
  14. 2026-08-17 03:51 UTCGHSA enrichment
  15. 2026-08-16 14:56 UTCEPSS rescore
  16. 2026-08-16 14:38 UTCEG score recompute
  17. 2026-08-16 14:38 UTCGHSA enrichment
  18. 2026-08-16 02:14 UTCEPSS rescore
  19. 2026-08-16 01:26 UTCGHSA enrichment
  20. 2026-08-15 12:14 UTCEG score recompute
  21. 2026-08-15 12:14 UTCGHSA enrichment
  22. 2026-08-15 01:30 UTCEPSS rescore
  23. 2026-08-14 23:01 UTCGHSA enrichment
  24. 2026-08-14 09:49 UTCEG score recompute
  25. 2026-08-14 09:49 UTCGHSA enrichment
Show 48 more
  1. 2026-08-13 22:00 UTCEPSS rescore
  2. 2026-08-13 20:36 UTCGHSA enrichment
  3. 2026-08-13 07:24 UTCGHSA enrichment
  4. 2026-08-12 18:09 UTCEG score recompute
  5. 2026-08-12 18:09 UTCGHSA enrichment
  6. 2026-08-12 13:50 UTCEPSS rescore
  7. 2026-08-12 04:57 UTCGHSA enrichment
  8. 2026-08-11 15:44 UTCEG score recompute
  9. 2026-08-11 15:44 UTCGHSA enrichment
  10. 2026-08-11 13:42 UTCEPSS rescore
  11. 2026-08-11 02:32 UTCEG score recompute
  12. 2026-08-11 02:32 UTCGHSA enrichment
  13. 2026-08-11 00:00 UTCEPSS rescore
  14. 2026-08-10 13:20 UTCGHSA enrichment
  15. 2026-08-10 00:08 UTCEG score recompute
  16. 2026-08-10 00:08 UTCGHSA enrichment
  17. 2026-08-09 13:46 UTCEPSS rescore
  18. 2026-08-09 10:55 UTCGHSA enrichment
  19. 2026-08-08 21:43 UTCEG score recompute
  20. 2026-08-08 21:43 UTCGHSA enrichment
  21. 2026-08-08 16:37 UTCEPSS rescore
  22. 2026-08-08 08:30 UTCGHSA enrichment
  23. 2026-08-07 19:18 UTCEG score recompute
  24. 2026-08-07 19:18 UTCGHSA enrichment
  25. 2026-08-07 06:05 UTCGHSA enrichment
  26. 2026-08-06 16:53 UTCEG score recompute
  27. 2026-08-06 16:53 UTCGHSA enrichment
  28. 2026-08-06 13:46 UTCEPSS rescore
  29. 2026-08-06 03:40 UTCEG score recompute
  30. 2026-08-06 03:40 UTCGHSA enrichment
  31. 2026-08-05 19:17 UTCEPSS rescore
  32. 2026-08-05 14:28 UTCGHSA enrichment
  33. 2026-08-05 13:49 UTCEG score recompute▲ 3.40
  34. 2026-08-05 13:49 UTCGHSA enrichment
  35. 2026-08-05 13:45 UTCMITRE cvelistV5CVSS v3 → 7.8 · severity → HIGH
  36. 2026-08-05 05:26 UTCGHSA enrichment
  37. 2026-08-05 04:39 UTCGHSA enrichment
  38. 2026-08-04 19:06 UTCEG score recompute
  39. 2026-08-04 19:06 UTCGHSA enrichment
  40. 2026-08-04 15:10 UTCEPSS rescore
  41. 2026-08-04 10:38 UTCEPSS rescore
  42. 2026-08-03 19:18 UTCGHSA enrichment
  43. 2026-08-03 19:04 UTCEG score recompute▲ 4.40
  44. 2026-08-03 19:04 UTCGHSA enrichment
  45. 2026-08-03 19:03 UTCMITRE cvelistV5CVSS v3 → 4.4 · severity → MEDIUM
  46. 2026-08-03 03:23 UTCNVD update
  47. 2026-08-03 02:44 UTCEG score recompute
  48. 2026-08-03 02:43 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-20495?
CVE-2026-20495 is a high vulnerability published on August 3, 2026. In Bluetooth driver, there is a possible permission bypass due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00488300; Issue ID: MSV-7296.
When was CVE-2026-20495 disclosed?
CVE-2026-20495 was first published in the National Vulnerability Database on August 3, 2026, with the most recent update on August 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20495 actively exploited?
CVE-2026-20495 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 98.9% of all scored CVEs.
What is the CVSS score of CVE-2026-20495?
CVE-2026-20495 has a CVSS v3.1 base score of 7.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-20495?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20495, 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-2026-20495

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