CVE-2026-28540

MEDIUMNVD 3.34.0▲
EchelonGraph scoreMEDIUM confidence

Score 4.0 from GitHub Security Advisory published 2026-03-05. NVD baseline CVSS 3.3; sources differ by 0.7.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.3Exploit: None knownExposed: 0

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

Out-of-bounds character read vulnerability in Bluetooth. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

CVSS v3
3.3
EG Score
4.0(medium)
EG Risk
23(Track)
EG Risk 23/100SSVC: 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
Severity40% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
0%
KEV
Not listed

Published

March 5, 2026

Last Modified

June 17, 2026

References (4)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 3× in last 7d / 17× 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. 2026-09-17 19:30 UTCEPSS rescore
  2. 2026-09-16 14:08 UTCEPSS rescore
  3. 2026-09-16 05:15 UTCEPSS rescore
  4. 2026-09-12 15:01 UTCEPSS rescore
  5. 2026-09-11 14:52 UTCEPSS rescore
  6. 2026-09-10 09:34 UTCEPSS rescore
  7. 2026-09-07 16:01 UTCEPSS rescore
  8. 2026-09-06 13:47 UTCEPSS rescore
  9. 2026-09-06 13:47 UTCEPSS rescore
  10. 2026-09-04 05:06 UTCEPSS rescore
  11. 2026-08-30 19:17 UTCEPSS rescore
  12. 2026-08-28 21:41 UTCEPSS rescore
  13. 2026-08-25 13:49 UTCEPSS rescore
  14. 2026-08-24 14:17 UTCEPSS rescore
  15. 2026-08-23 00:19 UTCEPSS rescore
  16. 2026-08-20 22:55 UTCEPSS rescore
  17. 2026-08-20 22:55 UTCEPSS rescore
  18. 2026-08-19 17:03 UTCEPSS rescore
  19. 2026-08-17 13:47 UTCEPSS rescore
  20. 2026-08-16 12:26 UTCEG score recompute
  21. 2026-08-16 12:26 UTCGHSA enrichment
  22. 2026-08-16 02:14 UTCEPSS rescore
  23. 2026-08-14 08:24 UTCGHSA enrichment
  24. 2026-08-13 00:00 UTCEG score recompute
  25. 2026-08-13 00:00 UTCGHSA enrichment
Show 15 more
  1. 2026-08-11 13:42 UTCEPSS rescore
  2. 2026-08-11 06:36 UTCGHSA enrichment
  3. 2026-08-10 07:30 UTCGHSA enrichment
  4. 2026-08-09 08:03 UTCGHSA enrichment
  5. 2026-08-07 19:45 UTCGHSA enrichment
  6. 2026-08-06 02:32 UTCEG score recompute
  7. 2026-08-06 02:32 UTCGHSA enrichment
  8. 2026-08-05 19:17 UTCEPSS rescore
  9. 2026-08-04 15:10 UTCEPSS rescore
  10. 2026-08-04 02:13 UTCGHSA enrichment
  11. 2026-08-02 18:46 UTCEG score recompute
  12. 2026-08-02 18:46 UTCGHSA enrichment
  13. 2026-08-02 02:26 UTCEPSS rescore
  14. 2026-07-27 13:51 UTCEG score recompute
  15. 2026-07-27 13:51 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-28540?
CVE-2026-28540 is a medium vulnerability published on March 5, 2026. Out-of-bounds character read vulnerability in Bluetooth. Impact: Successful exploitation of this vulnerability may affect service confidentiality.
When was CVE-2026-28540 disclosed?
CVE-2026-28540 was first published in the National Vulnerability Database on March 5, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-28540 actively exploited?
CVE-2026-28540 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 99.8% of all scored CVEs.
What is the CVSS score of CVE-2026-28540?
CVE-2026-28540 has a CVSS v3 base score of 3.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 4.0.
How do I remediate CVE-2026-28540?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-28540, 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

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