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TI-2023-27459 Aliases CVE-2023-50227GHSA-gwww-cpmw-jjf6

Out-of-bounds write in Parallels Desktop

Priority LOW 39CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Parallels Desktop virtio-gpu Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Parallels Desktop. User interaction is required to exploit this vulnerability in that the target in a guest system must visit a malicious page or open a malicious file. The specific flaw exists within the virtio-gpu virtual device. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the hypervisor. . Was ZDI-CAN-21260.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00757 55th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ParallelsDesktop18.3.2 (53621)—No fix listedCNA
  • Desktop VendorParallels Affected 18.3.2 (53621) Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:parallels:parallels_desktop:*:*:*:*:*:macos:*:*before 19.1.0_\(54729\)VulnerableParallels
  • cpe:2.3:a:parallels:parallels_desktop:*:*:*:*:*:macos:*:* Versions before 19.1.0_\(54729\) Vulnerable ·Parallels

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Parallels Desktop — vendor-provided URL

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2023-27458 Link following in Parallels DesktopPriority LOW 37
    • TI-2023-27460 Improper signature verification in Parallels DesktopPriority LOW 35
    Show all 3 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-50227
  2. 2026-10-03 Alias added: GHSA-gwww-cpmw-jjf6

References

Advisory 2

  • TI-2025-22549 Path traversal in Parallels Desktop for Mac CVSS 3.1HIGH 8.8
  • TI-2024-36288 Link following in Parallels Desktop for Mac CVSS 3.1HIGH 7.8
  • TI-2024-35227 Link following in Parallels Desktop for Mac CVSS 3.1HIGH 7.8
  • TI-2024-24264 Link following in Parallels Desktop for Mac CVSS 3.1HIGH 7.8
  • TI-2024-05787 Improper privilege management in Parallels Desktop CVSS 3.1CRITICAL 10.0
  • TI-2023-12061 Path traversal in Parallels Desktop CVSS 3.0HIGH 8.2
See all 73 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences