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CVE-2022-26924

25
FAUCET Score

CVE-2022-26924 describes a Denial of Service vulnerability affecting Microsoft's Yet Another Reverse Proxy (YARP). With a CVSS score of 7.5 (HIGH), this vulnerability can be exploited remotely without authentication or user interaction, leading to a complete denial of service. While no public exploit code or active exploitation has been observed, its presence on Microsoft's April 2022 Patch Tuesday and limited community discussion indicate awareness.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.0CPE matchmatch criteria
cpe:2.3:a:microsoft:yet_another_reverse_proxy:1.0.0:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:microsoft:yet_another_reverse_proxy:1.1.0:rc1.22152.1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.19%
Probability of exploitation in next 30 days
EPSS Percentile
86.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0319 is in the 76th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (4)

microsoftpatch availablevia msrc
Product: YARP 1.0Fixed in: 1.0.1
View patch
microsoftpatch availablevia msrc
Product: YARP 1.1RCFixed in: 1.1.0-rc.1.22211.2
View patch
nugetpatch availablevia ghsa
Product: Yarp.ReverseProxyFixed in: 1.0.1
nugetpatch availablevia ghsa
Product: Yarp.ReverseProxyFixed in: 1.1.0-rc.1.22211.2

Vendor Advisories (2)

nugetGHSA-8xc6-g8xw-h2c4high

YARP Denial of Service Vulnerability

Apr 22, 2022
microsoft2022-Apr/CVE-2022-26924Important

YARP Denial of Service Vulnerability

Apr 12, 2022

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2022-26924