CVE-2026-20484

MEDIUMPre-NVD 4.44.4—
EchelonGraph scoreHIGH confidence

Score 4.4 from GitHub Security Advisory published 2026-08-03. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.4Exploit: None knownExposed: 0

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

In TFA, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11053160; Issue ID: MSV-8004.

CVSS v3
4.4
EG Score
4.4(high)
EG Risk
20(Track)
EG Risk 20/100SSVC: 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
Severity44% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
2%
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-2026-20484(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 21× in last 7d / 52× 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 18:46 UTCGHSA enrichment
  3. 2026-08-19 17:27 UTCEG score recompute
  4. 2026-08-19 17:27 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-19 16:19 UTCGHSA enrichment
  7. 2026-08-18 14:56 UTCEG score recompute
  8. 2026-08-18 14:56 UTCGHSA enrichment
  9. 2026-08-18 13:48 UTCEPSS rescore
  10. 2026-08-17 13:47 UTCEPSS rescore
  11. 2026-08-17 13:32 UTCEG score recompute
  12. 2026-08-17 13:32 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 12:12 UTCEG score recompute
  15. 2026-08-16 12:12 UTCGHSA enrichment
  16. 2026-08-16 02:14 UTCEPSS rescore
  17. 2026-08-15 10:53 UTCEG score recompute
  18. 2026-08-15 10:53 UTCGHSA enrichment
  19. 2026-08-15 01:30 UTCEPSS rescore
  20. 2026-08-14 09:34 UTCEG score recompute
  21. 2026-08-14 09:34 UTCGHSA enrichment
  22. 2026-08-13 22:00 UTCEPSS rescore
  23. 2026-08-13 08:14 UTCEG score recompute
  24. 2026-08-13 08:14 UTCGHSA enrichment
  25. 2026-08-12 13:50 UTCEPSS rescore
Show 27 more
  1. 2026-08-12 06:55 UTCGHSA enrichment
  2. 2026-08-11 05:35 UTCEG score recompute
  3. 2026-08-11 05:35 UTCGHSA enrichment
  4. 2026-08-11 00:00 UTCEPSS rescore
  5. 2026-08-10 04:16 UTCGHSA enrichment
  6. 2026-08-09 02:57 UTCEG score recompute
  7. 2026-08-09 02:57 UTCGHSA enrichment
  8. 2026-08-08 16:37 UTCEPSS rescore
  9. 2026-08-08 01:38 UTCEG score recompute
  10. 2026-08-08 01:38 UTCGHSA enrichment
  11. 2026-08-07 00:19 UTCEG score recompute
  12. 2026-08-07 00:18 UTCGHSA enrichment
  13. 2026-08-06 13:46 UTCEPSS rescore
  14. 2026-08-05 22:59 UTCEG score recompute
  15. 2026-08-05 22:59 UTCGHSA enrichment
  16. 2026-08-05 19:17 UTCEPSS rescore
  17. 2026-08-04 21:40 UTCEG score recompute
  18. 2026-08-04 21:40 UTCGHSA enrichment
  19. 2026-08-04 15:10 UTCEPSS rescore
  20. 2026-08-04 10:38 UTCEPSS rescore
  21. 2026-08-03 20:20 UTCGHSA enrichment
  22. 2026-08-03 20:13 UTCEG score recompute▲ 4.40
  23. 2026-08-03 20:13 UTCGHSA enrichment
  24. 2026-08-03 20:13 UTCMITRE cvelistV5CVSS v3 → 4.4 · severity → MEDIUM
  25. 2026-08-03 03:23 UTCNVD update
  26. 2026-08-03 02:44 UTCEG score recompute
  27. 2026-08-03 02:43 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-20484?
CVE-2026-20484 is a medium vulnerability published on August 3, 2026. In TFA, there is a possible information disclosure due to a missing permission check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11053160; Issue ID: MSV-8004.
When was CVE-2026-20484 disclosed?
CVE-2026-20484 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-2026-20484 actively exploited?
CVE-2026-20484 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 98.0% of all scored CVEs.
What is the CVSS score of CVE-2026-20484?
CVE-2026-20484 has a CVSS v3.1 base score of 4.4 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-20484?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20484, 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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