CVE-2026-49035

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-23. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: None knownExposed: 0

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

The affected product is vulnerable to a heap-based buffer overflow via a crafted MMS Initiate request. Remote code execution (RCE) has been demonstrated when ASLR is disabled; memory corruption or denial of service may occur in configurations where ASLR is enabled.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: 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
Severity81% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
48%
KEV
Not listed

Published

July 23, 2026

Last Modified

July 30, 2026

Advisory Details (1)

Auto-updated Jul 23, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

MZ Automation libIEC61850 | CISA

MZ Automation libIEC61850 | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/news-events/ics-advisories/icsa-26-204-06

Vendor Advisories for CVE-2026-49035(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 17× in last 7d / 80× 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 187 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-49035?
CVE-2026-49035 is a high vulnerability published on July 23, 2026. The affected product is vulnerable to a heap-based buffer overflow via a crafted MMS Initiate request. Remote code execution (RCE) has been demonstrated when ASLR is disabled; memory corruption or denial of service may occur in configurations where ASLR is enabled.
When was CVE-2026-49035 disclosed?
CVE-2026-49035 was first published in the National Vulnerability Database on July 23, 2026, with the most recent update on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-49035 actively exploited?
CVE-2026-49035 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 52.0% of all scored CVEs.
What is the CVSS score of CVE-2026-49035?
CVE-2026-49035 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-49035?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49035, 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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