CVE-2026-20453

MEDIUMPre-NVD 6.76.7—
EchelonGraph scoreMEDIUM confidence

Score 6.7 from GitHub Security Advisory published 2026-06-01. the CNA's CVSS baseline 6.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:mediatek, epss, ghsa
Trending — 3 sources updated this week
6.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.7Exploit: NoneExposed: 0

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

In geniezone, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10886526; Issue ID: MSV-6791.

CVSS v3
6.7
EG Score
6.7(medium)
EPSS
1.7%
KEV
Not listed

Published

June 1, 2026

Last Modified

June 2, 2026

Advisory Details (1)

Auto-updated Jun 12, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

June 2026

https://corp.mediatek.com/product-security-bulletin/June-2026

Vendor Advisories for CVE-2026-20453(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 15× in last 7d / 69× 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.

Showing the most recent 100 of 124 total refreshes for this CVE.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 02:00 UTCEPSS rescore
  4. 2026-07-15 02:00 UTCEPSS rescore
  5. 2026-07-14 13:29 UTCEG score recompute
  6. 2026-07-14 13:29 UTCGHSA enrichment
  7. 2026-07-13 22:30 UTCEPSS rescore
  8. 2026-07-13 06:13 UTCEPSS rescore
  9. 2026-07-13 06:13 UTCEPSS rescore
  10. 2026-07-12 05:46 UTCEPSS rescore
  11. 2026-07-12 05:46 UTCEPSS rescore
  12. 2026-07-11 13:53 UTCEG score recompute
  13. 2026-07-11 13:53 UTCGHSA enrichment
  14. 2026-07-11 08:27 UTCEPSS rescore
  15. 2026-07-09 19:10 UTCEPSS rescore
  16. 2026-07-08 17:07 UTCEG score recompute
  17. 2026-07-08 17:07 UTCGHSA enrichment
  18. 2026-07-08 15:15 UTCEPSS rescore
  19. 2026-07-08 15:15 UTCEPSS rescore
  20. 2026-07-07 13:46 UTCEPSS rescore
  21. 2026-07-06 02:23 UTCEPSS rescore
  22. 2026-07-05 02:30 UTCEPSS rescore
  23. 2026-07-05 02:30 UTCEPSS rescore
  24. 2026-07-04 06:31 UTCEPSS rescore
  25. 2026-07-03 00:15 UTCEG score recompute
Show 75 more
  1. 2026-07-03 00:15 UTCGHSA enrichment
  2. 2026-07-02 02:37 UTCEG score recompute
  3. 2026-07-02 02:37 UTCGHSA enrichment
  4. 2026-07-01 15:06 UTCEPSS rescore
  5. 2026-07-01 15:06 UTCEPSS rescore
  6. 2026-07-01 00:56 UTCEG score recompute
  7. 2026-07-01 00:56 UTCGHSA enrichment
  8. 2026-06-30 23:22 UTCEPSS rescore
  9. 2026-06-29 12:24 UTCEG score recompute
  10. 2026-06-29 12:24 UTCGHSA enrichment
  11. 2026-06-28 14:47 UTCEG score recompute
  12. 2026-06-28 14:47 UTCGHSA enrichment
  13. 2026-06-28 14:07 UTCEPSS rescore
  14. 2026-06-28 04:56 UTCEPSS rescore
  15. 2026-06-28 04:56 UTCEPSS rescore
  16. 2026-06-27 17:08 UTCEG score recompute
  17. 2026-06-27 17:08 UTCGHSA enrichment
  18. 2026-06-27 03:08 UTCEPSS rescore
  19. 2026-06-26 19:19 UTCEG score recompute
  20. 2026-06-26 19:18 UTCGHSA enrichment
  21. 2026-06-25 21:41 UTCEG score recompute
  22. 2026-06-25 21:41 UTCGHSA enrichment
  23. 2026-06-25 13:49 UTCEPSS rescore
  24. 2026-06-24 23:58 UTCEG score recompute
  25. 2026-06-24 23:58 UTCGHSA enrichment
  26. 2026-06-24 02:21 UTCEG score recompute
  27. 2026-06-24 02:21 UTCGHSA enrichment
  28. 2026-06-23 21:32 UTCEPSS rescore
  29. 2026-06-22 14:25 UTCEPSS rescore
  30. 2026-06-22 14:25 UTCEPSS rescore
  31. 2026-06-21 14:56 UTCEPSS rescore
  32. 2026-06-21 14:56 UTCEPSS rescore
  33. 2026-06-21 01:59 UTCEPSS rescore
  34. 2026-06-21 01:59 UTCEPSS rescore
  35. 2026-06-19 19:25 UTCEPSS rescore
  36. 2026-06-18 17:52 UTCEPSS rescore
  37. 2026-06-18 10:01 UTCEG score recompute
  38. 2026-06-18 10:01 UTCGHSA enrichment
  39. 2026-06-17 17:53 UTCEPSS rescore
  40. 2026-06-17 09:54 UTCEG score recompute
  41. 2026-06-17 09:54 UTCGHSA enrichment
  42. 2026-06-16 17:52 UTCEPSS rescore
  43. 2026-06-16 12:13 UTCEG score recompute
  44. 2026-06-16 12:12 UTCGHSA enrichment
  45. 2026-06-15 17:48 UTCEPSS rescore
  46. 2026-06-15 14:32 UTCEG score recompute
  47. 2026-06-15 14:32 UTCGHSA enrichment
  48. 2026-06-14 23:18 UTCEPSS rescore
  49. 2026-06-14 16:32 UTCEG score recompute
  50. 2026-06-14 16:32 UTCGHSA enrichment
  51. 2026-06-13 23:00 UTCEPSS rescore
  52. 2026-06-13 23:00 UTCEPSS rescore
  53. 2026-06-13 18:55 UTCEG score recompute
  54. 2026-06-13 18:55 UTCGHSA enrichment
  55. 2026-06-12 23:12 UTCEPSS rescore
  56. 2026-06-12 21:08 UTCEG score recompute
  57. 2026-06-12 21:08 UTCGHSA enrichment
  58. 2026-06-11 23:30 UTCEG score recompute
  59. 2026-06-11 23:30 UTCGHSA enrichment
  60. 2026-06-11 14:00 UTCEPSS rescore
  61. 2026-06-11 01:53 UTCEG score recompute
  62. 2026-06-11 01:53 UTCGHSA enrichment
  63. 2026-06-10 22:18 UTCEPSS rescore
  64. 2026-06-10 13:22 UTCEPSS rescore
  65. 2026-06-10 04:16 UTCEG score recompute
  66. 2026-06-10 04:16 UTCGHSA enrichment
  67. 2026-06-09 06:39 UTCEG score recompute
  68. 2026-06-09 06:39 UTCGHSA enrichment
  69. 2026-06-08 14:17 UTCEPSS rescore
  70. 2026-06-08 14:17 UTCEPSS rescore
  71. 2026-06-08 09:01 UTCEG score recompute
  72. 2026-06-08 09:01 UTCGHSA enrichment
  73. 2026-06-07 15:25 UTCEPSS rescore
  74. 2026-06-07 15:24 UTCEPSS rescore
  75. 2026-06-07 11:24 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-20453?
CVE-2026-20453 is a medium vulnerability published on June 1, 2026. In geniezone, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10886526; Issue ID: MSV-6791.
When was CVE-2026-20453 disclosed?
CVE-2026-20453 was first published in the National Vulnerability Database on June 1, 2026, with the most recent update on June 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20453 actively exploited?
CVE-2026-20453 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-20453?
CVE-2026-20453 has a CVSS v4.0 base score of 6.7 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-20453?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20453, 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-2026-20453

Explore →

Is Your Infrastructure Affected by CVE-2026-20453?

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

Start Free Scan →Browse All CVEs