What is CVE-2023-36736?

CVE-2023-36736 is a medium-severity vulnerability in Microsoft Identity Linux Broker, classified under Deserialization of Untrusted Data. CVSS score: 4.4/10. Published 2023-09-12.

How severe is CVE-2023-36736?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Deserialization in Microsoft Identity Linux Broker

CVE-2023-36736

Microsoft Identity Linux Broker Remote Code Execution Vulnerability

Vulnerability class: Insecure Deserialization

Published 2023-09-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.014 (71.2th percentile), scored 2026-10-04.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.014 · change: -0.003

Affected products

Microsoft Identity Linux Broker
Microsoft Identity Linux Broker — versions 1.0.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36736 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-36736?: CVE-2023-36736 is a medium-severity vulnerability in Microsoft Identity Linux Broker, classified under Deserialization of Untrusted Data. CVSS score: 4.4/10. Published 2023-09-12.
How severe is CVE-2023-36736?: Medium severity. CVSS v3 base score is 4.4 out of 10.