What is CVE-2023-26088?

CVE-2023-26088 is a high-severity vulnerability in Malwarebytes, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2023-03-23.

How severe is CVE-2023-26088?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Malwarebytes

CVE-2023-26088

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.

Published 2023-03-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (38.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Malwarebytes

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

support.malwarebytes.com/hc/en-us/articles/14279575968659-Malwarebytes-for-Wind… (Release Notes)
www.malwarebytes.com/secure/cves/cve-2023-26088 (Vendor Advisory)

Frequently asked questions

What is CVE-2023-26088?: CVE-2023-26088 is a high-severity vulnerability in Malwarebytes, classified under Improper Link Resolution Before File Access. CVSS score: 7.8/10. Published 2023-03-23.
How severe is CVE-2023-26088?: High severity. CVSS v3 base score is 7.8 out of 10.