Short answer: Zoom released updates to fix two critical flaws that could allow unauthenticated users to escalate privileges. Users should update Zoom Workplace for Windows to the latest version.

TL;DR

  • Zoom fixed critical flaws in Workplace for Windows.
  • Vulnerabilities could let unauthenticated users escalate privileges.
  • CVE-2026-108186 has a CVSS score of 9.6.
  • CVE-2026-108187 has a CVSS score of 8.1.

What is CVE-2026-108186?

Zoom Workplace for Windows had two critical vulnerabilities that could let unauthorized users gain higher access levels. These flaws, CVE-2026-108186 and CVE-2026-108187, could enable remote attackers to escalate privileges without needing special permissions. Zoom released updates to fix these issues, and users are advised to update their software to the latest version to stay secure.

Vulnerability
A mistake or weakness in software that an attacker can misuse.
CVE
A public ID number (like CVE-2026-12345) given to a known security weakness so everyone can talk about the same bug.
Exploit
Code or steps that take advantage of a weakness.

Key facts

Reported byThe Hacker News
Date reported11 Nov 2026
CVECVE-2026-108186
CVSS9.6 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
WeaknessCWE-20 (improper input validation)
CISA KEVNot listed (no confirmed exploitation in KEV)
CVECVE-2026-108187
CVSS8.1 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
WeaknessCWE-346 (see NVD)
CISA KEVNot listed (no confirmed exploitation in KEV)
CVECVE-2026-53412
CVSS9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
WeaknessCWE-20 (improper input validation)
CISA KEVNot listed (no confirmed exploitation in KEV)
Vendor advisorywww.zoom.com
Affected productZoom Workplace
Published in NVD2026-11-10 (CVE-2026-108186)
Published in NVD2026-11-10 (CVE-2026-108187)
Published in NVD2026-07-16 (CVE-2026-53412)

How it works

Attack flow: Attacker reaches the Zoom Workplace over the internet / network then No login or account is needed then A user must open a link or file first then Sends crafted input that triggers the improper input validation flaw then Impact: data can be read, data or code can be changed, service crashes or stops
Built from the official CVSS vectors of CVE-2026-108186 (NVD)

Zoom Workplace for Windows has a flaw where an unauthenticated user can exploit an input validation issue (CVE-2026-108186) to gain higher privileges. Another flaw (CVE-2026-108187) lets attackers escalate privileges via network access. These issues can let attackers take control without needing special permissions.

  1. Attacker reaches the Zoom Workplace over the internet / network
  2. No login or account is needed
  3. A user must open a link or file first
  4. Sends crafted input that triggers the improper input validation flaw
  5. Impact: data can be read, data or code can be changed, service crashes or stops

Skillmate analyst mapping (our judgement, not from the vendor):

  • T1190 Exploit Public-Facing Application

Timeline

DateEventSource
2026-07-16CVE-2026-53412 published in NVDNVD
2026-11-10CVE-2026-108186 published in NVDNVD
2026-11-10CVE-2026-108187 published in NVDNVD
2026-11-11Reported by The Hacker NewsThe Hacker News
2026-11-11This Skillmate explainer publishedSkillmate

Am I affected?

These commands only read the version or settings. Compare the output with the vendor advisory linked in the facts table.

Microsoft Windows

PowerShell: lists the latest installed updates:

Get-HotFix | Sort-Object InstalledOn -Descending | Select-Object -First 10

shows the Windows version and build:

winver

How to fix it

  1. Update Zoom Workplace to the fixed release named in the vendor advisory.
  2. Read the vendor advisory for CVE-2026-53412 and upgrade to the fixed release it lists.
  3. If you cannot patch today, limit who can reach the affected service and watch its logs.

How to detect it

Defenders should look for unexpected network activity or privilege changes.

What is confirmed and what is not

ConfirmedNot confirmed yet
CVE-2026-108186 is a real NVD record scored 9.6 CRITICALCISA KEV does not list CVE-2026-108186 as exploited in the wild
CVE-2026-108187 is a real NVD record scored 8.1 HIGHNVD links no vendor advisory for CVE-2026-108186 yet
CVE-2026-53412 is a real NVD record scored 9.8 CRITICALCISA KEV does not list CVE-2026-108187 as exploited in the wild
Reported by The Hacker NewsNVD links no vendor advisory for CVE-2026-108187 yet
Reported by www.zoom.com

Why it matters

These vulnerabilities can allow attackers to take control of systems without permission. Companies and users must apply updates to protect against potential threats.

Learn the skills behind this story

Want to understand attacks like this and defend against them? Join Skillmate cybersecurity training or practise hands-on in Skillmate Labs.

FAQ

What are the vulnerabilities affecting Zoom Workplace?

Zoom Workplace has two critical flaws (CVE-2026-108186) and one high-risk flaw (CVE-2026-108187) that could let attackers gain unauthorized access.

How can I protect my system?

Apply the latest updates available at to mitigate these risks.

What versions of Zoom Workplace are affected?

CVE-2026-108186 impacts versions from 7.1.0 to 7.1.8, while CVE-2026-108187 affects versions before 7.1.5.

Are these vulnerabilities being exploited in the wild?

Zoom does not mention that these vulnerabilities have been exploited in the wild, but users should still apply the patches.

Sources

How we wrote this: facts come from the sources above, NVD and CISA KEV. An on-prem AI model drafted the plain-English parts and every sentence was checked against the sources; unsupported sentences were removed. MITRE mapping is our own judgement.