TI-2023-11316 Aliases CVE-2023-26088 GHSA-xrg5-9qxv-fc56

In Malwarebytes before 4.5.23, a symbolic link may be used delete any arbitrary file on…

LOW 37CWE-59Published 2023-03-23 · Updated 2025-02-25

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

In Malwarebytes before 4.5.23, a symbolic link may be used delete any arbitrary file on the system by exploiting the local quarantine system. It can also lead to privilege escalation in certain scenarios.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00475 41st 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:malwarebytes:malwarebytes::::::windows::*	before 4.5.23	Vulnerable	Malwarebytes

cpe:2.3:a:malwarebytes:malwarebytes:*:*:*:*:*:windows:*:* Versions before 4.5.23 Vulnerable ·Malwarebytes

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-26088
2026-10-03 Alias added: GHSA-xrg5-9qxv-fc56

References

Advisory 1

https://www.malwarebytes.com/secure/cves/cve-2023-26088

Other 1

https://support.malwarebytes.com/hc/en-us/articles/14279575968659-Malwarebytes-for-Windows-4-5-23-Release-Notes

TI-2022-26423 Malwarebytes 4.5 Unquoted Service Path Privilege Escalation CVSS 4.0HIGH 8.5
TI-2018-03832 In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to… CVSS 3.1HIGH 7.8
TI-2018-03823 In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to… CVSS 3.1HIGH 7.8
TI-2018-03831 In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to… CVSS 3.1LOW 3.3
TI-2023-13578 The Malwarebytes EDR 1.0.11 for Linux driver doesn't properly ensure whitelisting of… CVSS 3.1HIGH 7.8
TI-2018-03830 In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to… CVSS 3.0HIGH 7.8

See all 16 →

Sources

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