CVE-2026-41703

—

CVSS 3.1

7.6 high

EPSS

<1%p48

Published

Jul 30, 2026 (Jul 30, 2026)

Modified

Jul 30, 2026

Description

VMware ESX, Workstation, and Fusion contain an out-of-bounds read vulnerability. A malicious actor with VM deployment privileges could trigger an out-of-bounds read, potentially leading to information disclosure or more likely a Denial-of-Service (DoS) condition of the host process. On Workstation and Fusion, the impact of this vulnerability is restricted to information disclosure.

Weakness: CWE-125
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (0.6%)

In the news2 stories

Three Critical VMware Flaws Allow Auth Bypass, Code Execution, and VM Escape

Broadcom patches three critical VMware flaws, including vCenter auth bypass CVE-2026-59309 and an ESX VM escape, urging immediate updates.

Broadcom issued emergency updates for VMware ESX, vCenter, Workstation and Fusion, fixing five flaws including CVE-2026-59309 (CVSS 9.8 authentication bypass in vCenter) and CVE-2026-59310 (CVSS 9.8 directory traversal allowing code execution). CVE-2026-47876 (CVSS 9.3) is an out-of-bounds write in the ESX VMXNET3 adapter that permits a virtual machine escape to the host. Broadcom found no evidence of exploitation, but Defused Cyber reported a spike in vCenter scanning on August 11, 2026 consistent with exploitation attempts against CVE-2026-59309 (VMSA-2026-0006). No workarounds are available.

The Hacker NewsAug 11, 15:42 UTC · Aug 11, 2026Vulnerability CVE-2026-59309 CVE-2026-59310 CVE-2026-47876+2 CVEs1

Broadcom Patches Critical ESXi Vulnerability Enabling Host Code Execution

Security AffairsJul 29, 13:02 UTC · Jul 29, 2026Vulnerability in the wildCVE-2026-47876 CVE-2026-59309 CVE-2026-59310+2 CVEs