In Modem, there is a possible escalation of privilege due to a permissions bypass. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: MOLY01716533; Issue ID: MSV-6309.
CVE-2026-20463
MEDIUMPre-NVD 6.76.7—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 6.7 from GitHub Security Advisory published 2026-07-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.7; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
6.7
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.7Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.7
- EG Score
- 6.7(high)
- EPSS
- 1.5%
- KEV
- Not listed
Published
July 1, 2026
Last Modified
July 2, 2026
Advisory Details (1)
Auto-updated Jul 1, 2026⚠️ Active exploitation confirmed. No patch confirmed yet.
Vendor Advisories for CVE-2026-20463(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 15× in last 7d / 15× 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.
- 2026-07-06 11:03 UTCEG score recompute
- 2026-07-06 11:02 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 10:09 UTCEG score recompute
- 2026-07-05 10:09 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 09:17 UTCEG score recompute▲ 6.70
- 2026-07-04 09:16 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 11:23 UTCNVD updateCVSS v3 → 6.7 · severity → MEDIUM
- 2026-07-01 05:22 UTCEG score recompute
- 2026-07-01 05:20 UTCNVD updatefirst tracked
Frequently asked(5)
What is CVE-2026-20463?
CVE-2026-20463 is a medium vulnerability published on July 1, 2026. In Modem, there is a possible escalation of privilege due to a permissions bypass. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: MOLY01716533; Issue ID: MSV-6309.
When was CVE-2026-20463 disclosed?
CVE-2026-20463 was first published in the National Vulnerability Database on July 1, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-20463 actively exploited?
CVE-2026-20463 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-20463?
CVE-2026-20463 has a CVSS v3.1 base score of 6.7 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-20463?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-20463, 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-2026-20463
Is Your Infrastructure Affected by CVE-2026-20463?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.