CVE-2026-8921

HIGHPre-NVD 8.58.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.5 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 95% 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, secondary
Trending — 3 sources updated this week
8.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.5Exploit: None knownExposed: 0

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

External Control of File Name or Path vulnerability in ASUS Business Manager allows a local user to execute arbitrary code with SYSTEM privileges via a tampered IPC message. Refer to the ' Security Update for ASUS Business Manager ' section on the ASUS Security Advisory for more information.

CVSS v3
8.5
EG Score
8.5(medium)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity85% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

July 3, 2026

Last Modified

July 6, 2026

Advisory Details (1)

Auto-updated Jul 6, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

ASUS Security Advisory | Latest Vulnerability Update

https://www.asus.com/security-advisory

Vendor Advisories for CVE-2026-8921(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 23× in last 7d / 114× 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 166 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-8921?
CVE-2026-8921 is a high vulnerability published on July 3, 2026. External Control of File Name or Path vulnerability in ASUS Business Manager allows a local user to execute arbitrary code with SYSTEM privileges via a tampered IPC message. Refer to the ' Security Update for ASUS Business Manager ' section on the ASUS Security Advisory for more information.
When was CVE-2026-8921 disclosed?
CVE-2026-8921 was first published in the National Vulnerability Database on July 3, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8921 actively exploited?
CVE-2026-8921 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 95.1% of all scored CVEs.
What is the CVSS score of CVE-2026-8921?
CVE-2026-8921 has a CVSS v3 base score of 8.5 (NVD).
How do I remediate CVE-2026-8921?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8921, 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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