CVE-2026-16800

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-24. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

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

Improper control of generation of code ('Code Injection') in the schedule feature in Devolutions PowerShell Universal 2026.2.2 and earlier allows an authenticated user with schedule creation permission to execute arbitrary PowerShell code via crafted schedule parameter names concatenated into a script invocation.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

July 24, 2026

Last Modified

July 29, 2026

Advisory Details (1)

Auto-updated Jul 24, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

DEVO-2026-0025 - Advisory - Security

https://devolutions.net/security/advisories/DEVO-2026-0025/

Vendor Advisories for CVE-2026-16800(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 146 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-16800?
CVE-2026-16800 is a high vulnerability published on July 24, 2026. Improper control of generation of code ('Code Injection') in the schedule feature in Devolutions PowerShell Universal 2026.2.2 and earlier allows an authenticated user with schedule creation permission to execute arbitrary PowerShell code via crafted schedule parameter names concatenated into a…
When was CVE-2026-16800 disclosed?
CVE-2026-16800 was first published in the National Vulnerability Database on July 24, 2026, with the most recent update on July 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16800 actively exploited?
CVE-2026-16800 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 77.8% of all scored CVEs.
What is the CVSS score of CVE-2026-16800?
CVE-2026-16800 has a CVSS v3.1 base score of 8.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-16800?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16800, 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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