VDB-349952 · CVE-2026-30900 · WID-SEC-2026-0653

Zoom Workplace/Workplace VDI Client/Meeting SDK 6.6.x on Windows unusual condition

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Zoom Workplace, Workplace VDI Client and Meeting SDK 6.6.x on Windows. This impacts an unknown function. Such manipulation leads to Local Privilege Escalation. This vulnerability is uniquely identified as CVE-2026-30900. Local access is required to approach this attack. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Zoom Workplace, Workplace VDI Client and Meeting SDK 6.6.x on Windows and classified as problematic. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper Check of minimum version in update functionality of certain Zoom Clients for Windows may allow an authenticated user to conduct an escalation of privilege via local access.

The advisory is shared for download at zoom.com. This vulnerability is handled as CVE-2026-30900. The exploitation is known to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0653). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

Zoom Video Communications Rooms
Zoom Video Communications Workplace

Productinfo

Vendor

Zoom

Name

Version

6.6.x

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unusual condition
CWE: CWE-754
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/10/2026 Advisory disclosed
03/10/2026 +0 days VulDB entry created
03/14/2026 +4 days VulDB entry last update

Sourcesinfo

Advisory: zoom.com
Status: Confirmed

CVE: CVE-2026-30900 (🔒)
GCVE (CVE): GCVE-0-2026-30900
GCVE (VulDB): GCVE-100-349952
CERT Bund: WID-SEC-2026-0653 - Zoom Rooms und Workplace: Mehrere Schwachstellen ermöglichen Privilegieneskalation

Entryinfo

Created: 03/10/2026 13:12
Updated: 03/14/2026 06:59
Changes: 03/10/2026 13:12 (49), 03/10/2026 15:59 (7), 03/14/2026 06:59 (15)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.