CVE-2026-53408

HIGH

8.1

CVSS Score

Published: June 12, 2026 at 05:57 PM UTC

Updated: October 26, 2026 at 11:10 AM UTC

3 products affected across 2 vendorsMeeting Software Development KitWorkplaceZoom Workplace

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Severity

HIGH8.1

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Meeting Software Development Kit · Zoom

95%

v < 7.0.3v < 7.0.4

Affected range stops below 7.0.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.0.4, so it looks safe — our inference, not a vendor statement

Workplace · Zoom

95%

v < 7.0.3v < 7.0.4

Affected range stops below 7.0.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.0.4, so it looks safe — our inference, not a vendor statement

Zoom Workplace · Zoom Communications

90%

v < 7.0.4

Affected range stops below 7.0.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.zoom.com/en/trust/security-bulletin/zsb-26010

References (1)

Vendor Advisory

Source: cverecord

https://www.zoom.com/en/trust/security-bulletin/zsb-26010

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGHZoom

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-939

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