CVE-2022-26871

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-31), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 20%CVSS: 9.8Exploit: NoneExposed: 0

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

An arbitrary file upload vulnerability in Trend Micro Apex Central could allow an unauthenticated remote attacker to upload an arbitrary file which could lead to remote code execution.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

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
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS
97.1%
KEV
⚠ Exploited

Published

March 29, 2022

Last Modified

December 22, 2025

Advisory Details (4)

Auto-updated Jun 1, 2026
⚠️ Active exploitation confirmed. No patch confirmed yet.
generic🔴 Active Exploitation

[Updated] Alert Regarding Vulnerability (CVE-2022-26871) in Trend Micro Apex Central

https://www.jpcert.or.jp/english/at/2022/at220008.html
generic

Article unavailable

https://success.trendmicro.com/solution/000290678
generic

JVNVU#99107357: Trend Micro Apex CentralおよびTrend Micro Apex Central as a Serviceにおけるファイルコンテンツの検証不備の脆弱性

https://jvn.jp/vu/JVNVU99107357
generic

サポート情報 : トレンドマイクロ

https://appweb.trendmicro.com/supportNews/NewsDetail.aspx?id=4435

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 65× in last 7d / 245× 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 453 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2022-26871?
CVE-2022-26871 is a critical vulnerability published on March 29, 2022. An arbitrary file upload vulnerability in Trend Micro Apex Central could allow an unauthenticated remote attacker to upload an arbitrary file which could lead to remote code execution.
When was CVE-2022-26871 disclosed?
CVE-2022-26871 was first published in the National Vulnerability Database on March 29, 2022, with the most recent update on December 22, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-26871 actively exploited?
Yes. CISA added CVE-2022-26871 to the Known Exploited Vulnerabilities catalog on March 31, 2022, affecting Trend Micro Apex Central. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2022-26871?
CVE-2022-26871 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2022-26871?
CVE-2022-26871 affects Trend Micro Apex Central. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2022-26871?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-26871, 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.

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