CVE-2026-0244

HIGHNVD 8.15.2▼
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.2 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 99% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.1Exploit: NoneExposed: 0

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

An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.

CVSS v3
8.1
EG Score
5.2(medium)
EPSS
12.1%
KEV
Not listed

Published

May 13, 2026

Last Modified

July 14, 2026

Advisory Details (1)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

CVE-2026-0244 Prisma SD-WAN: Improper Certificate Validation Vulnerability

https://security.paloaltonetworks.com/CVE-2026-0244

Vendor Advisories for CVE-2026-0244(2)

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 6× in last 7d / 38× 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 128 total refreshes for this CVE.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-14 15:20 UTCNVD updateCVSS v3 → 8.1 · severity → HIGH
  3. 2026-07-13 22:30 UTCEPSS rescore
  4. 2026-07-13 06:12 UTCEPSS rescore
  5. 2026-07-12 05:46 UTCEPSS rescore
  6. 2026-07-09 19:10 UTCEPSS rescore
  7. 2026-07-08 15:15 UTCEPSS rescore
  8. 2026-07-08 15:15 UTCEPSS rescore
  9. 2026-07-07 13:46 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-04 06:31 UTCEPSS rescore
  13. 2026-07-01 15:06 UTCEPSS rescore
  14. 2026-07-01 15:06 UTCEPSS rescore
  15. 2026-06-30 23:22 UTCEPSS rescore
  16. 2026-06-29 22:15 UTCEG score recompute
  17. 2026-06-29 22:15 UTCGHSA enrichment
  18. 2026-06-29 14:06 UTCEPSS rescore
  19. 2026-06-28 14:07 UTCEPSS rescore
  20. 2026-06-28 04:56 UTCEPSS rescore
  21. 2026-06-28 04:56 UTCEPSS rescore
  22. 2026-06-27 23:27 UTCEG score recompute
  23. 2026-06-27 23:27 UTCGHSA enrichment
  24. 2026-06-27 03:08 UTCEPSS rescore
  25. 2026-06-26 20:30 UTCEG score recompute
Show 75 more
  1. 2026-06-26 20:30 UTCGHSA enrichment
  2. 2026-06-25 19:37 UTCEG score recompute
  3. 2026-06-25 19:37 UTCGHSA enrichment
  4. 2026-06-23 21:32 UTCEPSS rescore
  5. 2026-06-22 14:25 UTCEPSS rescore
  6. 2026-06-22 14:25 UTCEPSS rescore
  7. 2026-06-19 19:25 UTCEPSS rescore
  8. 2026-06-18 17:52 UTCEPSS rescore
  9. 2026-06-17 21:51 UTCEG score recompute
  10. 2026-06-17 21:51 UTCGHSA enrichment
  11. 2026-06-17 17:53 UTCEPSS rescore
  12. 2026-06-16 23:22 UTCEG score recompute
  13. 2026-06-16 23:22 UTCGHSA enrichment
  14. 2026-06-16 00:46 UTCEG score recompute
  15. 2026-06-16 00:46 UTCGHSA enrichment
  16. 2026-06-15 17:48 UTCEPSS rescore
  17. 2026-06-14 23:18 UTCEPSS rescore
  18. 2026-06-14 22:17 UTCEG score recompute
  19. 2026-06-14 22:17 UTCGHSA enrichment
  20. 2026-06-13 23:44 UTCEG score recompute
  21. 2026-06-13 23:44 UTCGHSA enrichment
  22. 2026-06-13 23:00 UTCEPSS rescore
  23. 2026-06-13 23:00 UTCEPSS rescore
  24. 2026-06-12 23:12 UTCEPSS rescore
  25. 2026-06-12 16:32 UTCEG score recompute
  26. 2026-06-12 16:32 UTCGHSA enrichment
  27. 2026-06-11 16:52 UTCEG score recompute
  28. 2026-06-11 16:52 UTCGHSA enrichment
  29. 2026-06-11 14:00 UTCEPSS rescore
  30. 2026-06-10 22:18 UTCEPSS rescore
  31. 2026-06-10 16:55 UTCEG score recompute
  32. 2026-06-10 16:55 UTCGHSA enrichment
  33. 2026-06-10 13:22 UTCEPSS rescore
  34. 2026-06-09 18:27 UTCEG score recompute
  35. 2026-06-09 18:27 UTCGHSA enrichment
  36. 2026-06-08 19:59 UTCEG score recompute
  37. 2026-06-08 19:59 UTCGHSA enrichment
  38. 2026-06-08 14:17 UTCEPSS rescore
  39. 2026-06-08 14:17 UTCEPSS rescore
  40. 2026-06-07 19:36 UTCEG score recompute
  41. 2026-06-07 19:36 UTCGHSA enrichment
  42. 2026-06-07 15:25 UTCEPSS rescore
  43. 2026-06-07 15:24 UTCEPSS rescore
  44. 2026-06-06 21:08 UTCEG score recompute
  45. 2026-06-06 21:08 UTCGHSA enrichment
  46. 2026-06-06 13:47 UTCEPSS rescore
  47. 2026-06-06 13:47 UTCEPSS rescore
  48. 2026-06-06 13:47 UTCEPSS rescore
  49. 2026-06-05 22:47 UTCEPSS rescore
  50. 2026-06-05 22:39 UTCEG score recompute
  51. 2026-06-05 22:39 UTCGHSA enrichment
  52. 2026-06-05 06:10 UTCEPSS rescore
  53. 2026-06-05 06:10 UTCEPSS rescore
  54. 2026-06-05 00:09 UTCEG score recompute
  55. 2026-06-05 00:09 UTCGHSA enrichment
  56. 2026-06-04 13:12 UTCEPSS rescore
  57. 2026-06-04 13:12 UTCEPSS rescore
  58. 2026-06-04 13:12 UTCEPSS rescore
  59. 2026-06-04 01:27 UTCEG score recompute
  60. 2026-06-04 01:27 UTCGHSA enrichment
  61. 2026-06-03 02:58 UTCEG score recompute
  62. 2026-06-03 02:58 UTCGHSA enrichment
  63. 2026-06-02 20:13 UTCEPSS rescore
  64. 2026-06-02 20:13 UTCEPSS rescore
  65. 2026-06-02 04:30 UTCEG score recompute
  66. 2026-06-02 04:30 UTCGHSA enrichment
  67. 2026-06-01 13:51 UTCEPSS rescore
  68. 2026-06-01 13:51 UTCEPSS rescore
  69. 2026-06-01 13:51 UTCEPSS rescore
  70. 2026-06-01 06:02 UTCEG score recompute
  71. 2026-06-01 06:02 UTCGHSA enrichment
  72. 2026-05-31 22:30 UTCEPSS rescore
  73. 2026-05-31 22:30 UTCEPSS rescore
  74. 2026-05-31 00:16 UTCEPSS rescore
  75. 2026-05-31 00:16 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-0244?
CVE-2026-0244 is a high vulnerability published on May 13, 2026. An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.
When was CVE-2026-0244 disclosed?
CVE-2026-0244 was first published in the National Vulnerability Database on May 13, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-0244 actively exploited?
CVE-2026-0244 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-0244?
CVE-2026-0244 has a CVSS v3 base score of 8.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.2.
How do I remediate CVE-2026-0244?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-0244, 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-2026-0244

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