CVE-2021-47792

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-01-16. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
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.

Remote Mouse 4.002 contains an unquoted service path vulnerability that allows local attackers to execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted service path in the RemoteMouseService to inject malicious executables and gain administrative access.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
51(Track*)
EG Risk 51/100SSVC: 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%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
10.6%
KEV
Not listed

Published

January 16, 2026

Last Modified

January 30, 2026

References (4)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 48× 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. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 02:06 UTCEG score recompute
  3. 2026-07-22 22:53 UTCEG score recompute
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  61. 2026-05-29 15:47 UTCEG score recompute
  62. 2026-05-29 15:47 UTCGHSA enrichment
  63. 2026-05-29 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2021-47792?
CVE-2021-47792 is a high vulnerability published on January 16, 2026. Remote Mouse 4.002 contains an unquoted service path vulnerability that allows local attackers to execute arbitrary code with elevated system privileges. Attackers can exploit the unquoted service path in the RemoteMouseService to inject malicious executables and gain administrative access.
When was CVE-2021-47792 disclosed?
CVE-2021-47792 was first published in the National Vulnerability Database on January 16, 2026, with the most recent update on January 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-47792 actively exploited?
CVE-2021-47792 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-47792?
CVE-2021-47792 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2021-47792?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-47792, 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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