Cyber Resilience

CVE-2026-53408

High

Published: 12 June 2026

Published
12 June 2026
Modified
17 June 2026
KEV Added
—
Patch
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CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.0021 11.5th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-53408 is a high-severity Improper Authorization in Handler for Custom URL Scheme (CWE-939) vulnerability in Zoom Meeting Software Development Kit. Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 11.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Improper Authorization in Handler for Custom URL Scheme in Zoom Workplace before version 7.0.4 for Android and before 7.0.3 for iOS may allow an unauthenticated user to conduct an escalation of privilege via network access.

CWE(s)
CWE-939

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
Why these techniques?

Direct improper authorization in URL scheme handler enables privilege escalation (T1068) by unauthenticated remote attacker.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

Affected Assets

zoom
meeting software development kit
≤ 7.0.3 · ≤ 7.0.4
zoom
workplace
≤ 7.0.3 · ≤ 7.0.4

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References