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CVE-2021-36943

25
FAUCET Score

CVE-2021-36943 is an Elevation of Privilege vulnerability affecting Microsoft Azure CycleCloud. With a CVSS score of 7.8 (High), this vulnerability allows a local, low-privileged attacker to gain full control over the system, leading to high impact on confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and community discussion and media coverage are minimal, indicating limited external attention.

Impacted Technologies

VendorProductVersion(s)CPE
8.2.0CPE matchmatch criteria
cpe:2.3:a:microsoft:azure_cyclecloud:8.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.0MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.5
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.71%
Probability of exploitation in next 30 days
EPSS Percentile
49.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0071 is in the 87th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Azure CycleCloud 8.2.0Fixed in: 8.2.0
View patch

Vendor Advisories (1)

microsoft2021-Aug/CVE-2021-36943Important

Azure CycleCloud Elevation of Privilege Vulnerability

Aug 10, 2021

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2021-36943
PatchVendor Advisory