How severe is CVE-2023-34044?

CVE-2023-34044 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-34044 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34044?

CVE-2023-34044 primarily affects Vmware Workstation. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-34044?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-34044 published?

CVE-2023-34044 was published on 2023-10-20 and last updated on 2026-06-17.

CVE-2023-34044

CVE-2023-34044 is a high-severity vulnerability in Vmware Workstation with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Vmware Workstation
Published: 2023-10-20
Last modified: 2026-06-17

Description

VMware Workstation( 17.x prior to 17.5) and Fusion(13.x prior to 13.5) contain an out-of-bounds read vulnerability that exists in the functionality for sharing host Bluetooth devices with the virtual machine. A malicious actor with local administrative privileges on a virtual machine may be able to read privileged information contained in hypervisor memory from a virtual machine.

Frequently asked questions

What is CVE-2023-34044?: VMware Workstation( 17.x prior to 17.5) and Fusion(13.x prior to 13.5) contain an out-of-bounds read vulnerability that exists in the functionality for sharing host Bluetooth devices with the virtual machine. A malicious actor with local administrative privileges on a virtual machine may be able to read privileged information contained in hypervisor memory from a virtual machine.
How severe is CVE-2023-34044?: CVE-2023-34044 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-34044 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34044?: CVE-2023-34044 primarily affects Vmware Workstation. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-34044?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-34044 published?: CVE-2023-34044 was published on 2023-10-20 and last updated on 2026-06-17.

References

https://www.vmware.com/security/advisories/VMSA-2023-0022.html

Affected products (2)

cpe:2.3:a:vmware:workstation:*:*:*:*:*:*:*:*
cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*

More vulnerabilities in Vmware Workstation

CVE-2009-3732 — Critical (CVSS 10.0): Format string vulnerability in vmware-vmrc.exe build 158248 in VMware Remote Console (aka VMrc) allows remote attackers…
CVE-2008-3696 — Critical (CVSS 10.0): Unspecified vulnerability in a certain ActiveX control in VMware Workstation 5.5.x before 5.5.8 build 108000, VMware…
CVE-2008-3695 — Critical (CVSS 10.0): Unspecified vulnerability in a certain ActiveX control in VMware Workstation 5.5.x before 5.5.8 build 108000, VMware…
CVE-2008-3691 — Critical (CVSS 10.0): Unspecified vulnerability in a certain ActiveX control in VMware Workstation 5.5.x before 5.5.8 build 108000, VMware…
CVE-2008-3693 — Critical (CVSS 10.0): Unspecified vulnerability in a certain ActiveX control in VMware Workstation 5.5.x before 5.5.8 build 108000, VMware…
CVE-2008-3692 — Critical (CVSS 10.0): Unspecified vulnerability in a certain ActiveX control in VMware Workstation 5.5.x before 5.5.8 build 108000, VMware…

All CVEs affecting Vmware Workstation →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →