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CVE-2023-21806

25
FAUCET Score

CVE-2023-21806 is a high-severity spoofing vulnerability affecting Microsoft Power BI Report Server. It allows an authenticated attacker to execute code remotely with low privileges, requiring user interaction, and has a significant impact on confidentiality, with some impact on integrity and availability. While not actively exploited in the wild and lacking public exploit code, its inclusion in a Patch Tuesday update and mentions in cybersecurity news indicate some community awareness.

Impacted Technologies

VendorProductVersion(s)CPE
< 15.0.1111.115CPE matchmatch criteria
cpe:2.3:a:microsoft:power_bi_report_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.3
Impact Score
5.3
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 68th percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 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: Power BI Report Server - January 2023Fixed in: 15.0.1111.115
View patch

Vendor Advisories (1)

microsoft2023-Feb/CVE-2023-21806Important

Power BI Report Server Spoofing Vulnerability

Feb 14, 2023

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2023-21806
PatchVendor Advisory