CVE-2025-30666 | Zoom Workplace Apps for Windows - NULL Pointer Dereference

NULL pointer dereference in some Zoom Workplace Apps for Windows may allow an authenticated user to conduct a denial of service via network access.

Published: 2025-05-14 Last update: 2025-08-05 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-30666 is rated Moderate Risk (45.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.31%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-30666

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-10 0.10% 0.31% +0.21%
2 2025-11-21 0.16% 0.10% -0.06%
3 2025-11-18 — 0.16% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-30666

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]

Weakness enumeration for CVE-2025-30666

Affected software / configurations for CVE-2025-30666

Vendor Product Version Raw CPE
zoom meeting_software_development_kit < 6.4.0 cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:windows:*:*
zoom rooms < 6.4.0 cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:*
zoom rooms_controller < 6.4.0 cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:windows:*:*
zoom workplace_desktop < 6.4.0 cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:windows:*:*
zoom workplace_virtual_desktop_infrastructure < 6.1.17 cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*
zoom workplace_virtual_desktop_infrastructure >= 6.1.18, < 6.2.13 cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*
zoom workplace_virtual_desktop_infrastructure >= 6.2.14, < 6.3.10 cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*

References for CVE-2025-30666

cvelogic Threat Intelligence