Patch tracker / CVE reference / CVE-2026-53412

CVE-2026-53412

Improper Input Validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for Windows may allow an unauthenticated user to conduct an account takeover via network access.

Risk summary

Critical
9.8
CVSS base
Critical
Severity
Not listed
Actively exploited

Critical severity vulnerability, CVSS 9.8.

How to fix CVE-2026-53412Admin questions
Senserva AI Opinion and rich prompt for CVE-2026-53412

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

Schedule normally
No exploitation observed: not in the CISA KEV catalog, EPSS under 1%.
No vendor fix is mapped yet. This page refreshes daily and will name the patch the day one is published.
Do this now: Deploy with your normal update cycle. This page refreshes daily; the verdict changes the day the data does.

Updated August 14, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.

How to fix CVE-2026-53412

Apply the patched version named in the vendor security advisory. Where a workaround exists, apply it only until the update is deployed, not as a substitute.

Common questions about CVE-2026-53412

Is CVE-2026-53412 actively exploited?

It is not currently listed in the CISA Known Exploited Vulnerabilities catalog. That can change: unexploited CVEs regularly get weaponized months after disclosure, which is why patching on your normal cadence matters.

What fixes CVE-2026-53412?

The authoritative fix is in the vendor security advisory. Apply the patched version listed there; the references below link to the CVE record and NVD detail.

Which products are affected by CVE-2026-53412?

See the vendor security advisory for the affected product list.

Can I ask my own AI about CVE-2026-53412?

Yes. This page includes a free, ready-to-paste AI prompt with CVE-2026-53412's key facts: severity, CVSS, CISA KEV status, and the affected products. Copy it into Claude, ChatGPT, or Copilot for a triage plan.

Scope and sources

Authoritative references

Every Microsoft CVE and the patches that fix it, ranked by real-world risk: the Microsoft Patch Tracker. The full searchable CVE reference: CVE and vulnerability management.

New to a term on this page? CVE, KB, KEV, CVSS, and EPSS are each explained once, on the Senserva security lexicon. Reference: Microsoft CVE and vulnerability management and the Microsoft patching guide.
Provided as is, without warranty; verify against the vendor advisory before acting. Data notice and terms.