What is CVE-2021-36943?

CVE-2021-36943 is a medium-severity vulnerability in Microsoft Azure Cyclecloud, classified under Improper Privilege Management. CVSS score: 4.0/10. Published 2021-08-12.

How severe is CVE-2021-36943?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Privilege escalation in Microsoft Azure Cyclecloud

CVE-2021-36943

Azure CycleCloud Elevation of Privilege Vulnerability

Vulnerability class: Privilege Escalation

Published 2021-08-12 · last modified 2026-08-10.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Microsoft Azure Cyclecloud — versions 8.2.0
Microsoft Azure Cyclecloud 8.2.0 — versions 8.0.0, 8.2.0

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36943 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2021-36943?: CVE-2021-36943 is a medium-severity vulnerability in Microsoft Azure Cyclecloud, classified under Improper Privilege Management. CVSS score: 4.0/10. Published 2021-08-12.
How severe is CVE-2021-36943?: Medium severity. CVSS v3 base score is 4.0 out of 10.