CVE-2026-41288

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-05-06. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

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

Incorrect permission assignment for a resource in the patch management component of the WatchGuard Agent on Windows allows an authenticated local user to elevate their privileges to NT AUTHORITY\\SYSTEM.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
1.1%
KEV
Not listed

Published

May 6, 2026

Last Modified

May 11, 2026

Advisory Details (1)

Auto-updated May 6, 2026
No patch confirmed yet.
generic

Stack-based Buffer Overflow in WatchGuard Agent Discovery Service on Windows Causes Denial of Service - Variant B | WatchGuard Technologies

https://www.watchguard.com/wgrd-psirt/advisory/WGSA-2026-00011

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 26× 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 105 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-41288?
CVE-2026-41288 is a high vulnerability published on May 6, 2026. Incorrect permission assignment for a resource in the patch management component of the WatchGuard Agent on Windows allows an authenticated local user to elevate their privileges to NT AUTHORITY\\SYSTEM.
When was CVE-2026-41288 disclosed?
CVE-2026-41288 was first published in the National Vulnerability Database on May 6, 2026, with the most recent update on May 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-41288 actively exploited?
CVE-2026-41288 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-41288?
CVE-2026-41288 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-41288?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-41288, 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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