CVE-2026-77827

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: Elevated riskExposed: 0

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

Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege escalation for a standard user account via improper write privileges in 'C:\ProgramData\Maono'. Fixed in 4.0.80.

CVSS v3
7.1
EG Score
7.1(high)
EG Risk
48(Track*)
EG Risk 48/100SSVC: 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
Severity71% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 14, 2026

Advisory Details (2)

Auto-updated Sep 8, 2026
No patch confirmed yet.
generic
https://www.cve.org/CVERecord?id=CVE-2026-77827
generic

Maono Link | Maono

https://www.maono.com/products/maono-link-software

Vendor Advisories for CVE-2026-77827(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 27× in last 7d / 44× 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.

  1. 2026-09-19 14:19 UTCGHSA enrichment
  2. 2026-09-19 01:31 UTCEG score recompute
  3. 2026-09-19 01:31 UTCGHSA enrichment
  4. 2026-09-18 19:28 UTCEPSS rescore
  5. 2026-09-18 12:43 UTCGHSA enrichment
  6. 2026-09-17 23:55 UTCEG score recompute
  7. 2026-09-17 23:55 UTCGHSA enrichment
  8. 2026-09-17 10:34 UTCGHSA enrichment
  9. 2026-09-16 21:44 UTCEG score recompute
  10. 2026-09-16 21:44 UTCGHSA enrichment
  11. 2026-09-16 14:08 UTCEPSS rescore
  12. 2026-09-16 08:56 UTCEG score recompute
  13. 2026-09-16 08:56 UTCGHSA enrichment
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 19:04 UTCGHSA enrichment
  16. 2026-09-15 06:16 UTCEG score recompute
  17. 2026-09-15 06:16 UTCGHSA enrichment
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-14 17:28 UTCEG score recompute
  21. 2026-09-14 17:28 UTCGHSA enrichment
  22. 2026-09-14 17:05 UTCEG score recompute
  23. 2026-09-14 17:05 UTCGHSA enrichment
  24. 2026-09-14 11:14 UTCGHSA enrichment
  25. 2026-09-13 22:26 UTCEG score recompute
Show 19 more
  1. 2026-09-13 22:26 UTCGHSA enrichment
  2. 2026-09-13 09:38 UTCGHSA enrichment
  3. 2026-09-12 20:51 UTCEG score recompute
  4. 2026-09-12 20:51 UTCGHSA enrichment
  5. 2026-09-12 08:03 UTCGHSA enrichment
  6. 2026-09-11 19:15 UTCEG score recompute
  7. 2026-09-11 19:15 UTCGHSA enrichment
  8. 2026-09-11 14:53 UTCEPSS rescore
  9. 2026-09-11 06:27 UTCGHSA enrichment
  10. 2026-09-10 17:39 UTCEG score recompute
  11. 2026-09-10 17:39 UTCGHSA enrichment
  12. 2026-09-10 09:35 UTCEPSS rescore
  13. 2026-09-10 04:50 UTCGHSA enrichment
  14. 2026-09-09 16:02 UTCGHSA enrichment
  15. 2026-09-09 10:23 UTCEG score recompute
  16. 2026-09-09 10:23 UTCGHSA enrichment
  17. 2026-09-08 21:34 UTCEG score recompute
  18. 2026-09-08 20:30 UTCEG score recompute
  19. 2026-09-08 20:29 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-77827?
CVE-2026-77827 is a high vulnerability published on September 8, 2026. Maono Link 3.8.13 MaonoAiServices Windows service allows local privilege escalation for a standard user account via improper write privileges in 'C:\ProgramData\Maono'. Fixed in 4.0.80.
When was CVE-2026-77827 disclosed?
CVE-2026-77827 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-77827 actively exploited?
CVE-2026-77827 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 93.7% of all scored CVEs.
What is the CVSS score of CVE-2026-77827?
CVE-2026-77827 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-77827?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-77827, 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-2026-77827

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