A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges.
CVE-2026-53410
HIGHPre-NVD 7.07.0—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 7.0 from GitHub Security Advisory (severity: HIGH) published 2026-07-16. a secondary CVSS source baseline 7.0; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
7.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.0Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.0
- EG Score
- 7.0(high)
- EG Risk
- 32(Track)EG Risk 32/100SSVC: 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 computedSeverity70% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 0.7%
- KEV
- Not listed
Published
July 16, 2026
Last Modified
July 17, 2026
References (1)
Vendor Advisories for CVE-2026-53410(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 11× in last 7d / 11× 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.
- 2026-07-23 03:19 UTCEG score recompute
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-20 17:08 UTCEPSS rescore
- 2026-07-19 02:33 UTCEG score recompute
- 2026-07-19 02:33 UTCGHSA enrichment
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-17 13:36 UTCEG score recompute
- 2026-07-17 13:36 UTCGHSA enrichment
- 2026-07-17 06:58 UTCGHSA enrichment
- 2026-07-16 21:15 UTCEG score recompute
- 2026-07-16 21:14 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2026-53410?
CVE-2026-53410 is a high vulnerability published on July 16, 2026. A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges.
When was CVE-2026-53410 disclosed?
CVE-2026-53410 was first published in the National Vulnerability Database on July 16, 2026, with the most recent update on July 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53410 actively exploited?
CVE-2026-53410 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-53410?
CVE-2026-53410 has a CVSS v3 base score of 7.0 (NVD).
How do I remediate CVE-2026-53410?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53410, 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-2026-53410
Is Your Infrastructure Affected by CVE-2026-53410?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.