CVE-2026-77532

CRITICALPre-NVD 9.69.6—
EchelonGraph scoreHIGH confidence

Score 9.6 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-28. a secondary CVSS source baseline 9.6; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.6EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.6Exploit: None knownExposed: 0

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

A malicious actor with access to an adjacent network could exploit a Buffer Overflow vulnerability found in a DHCPv6-enabled EdgeMAX EdgeSwitch to initiate a Remote Code Execution on such device.

CVSS v3
9.6
EG Score
9.6(high)
EG Risk
43(Track)
EG Risk 43/100SSVC: 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
Severity96% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
20%
KEV
Not listed

Published

August 26, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
No patch confirmed yet.
generic
https://uisp.community.ui.com/releases/Security-Advisory-Bulletin-068-068/b95ea5e8-1a80-4ffc-ad42-625eae300cc9

Vendor Advisories for CVE-2026-77532(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 52× in last 7d / 174× 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 174 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-77532?
CVE-2026-77532 is a critical vulnerability published on August 26, 2026. A malicious actor with access to an adjacent network could exploit a Buffer Overflow vulnerability found in a DHCPv6-enabled EdgeMAX EdgeSwitch to initiate a Remote Code Execution on such device.
When was CVE-2026-77532 disclosed?
CVE-2026-77532 was first published in the National Vulnerability Database on August 26, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-77532 actively exploited?
CVE-2026-77532 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 80.4% of all scored CVEs.
What is the CVSS score of CVE-2026-77532?
CVE-2026-77532 has a CVSS v3 base score of 9.6 (NVD).
How do I remediate CVE-2026-77532?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-77532, 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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