Improper input validation in Microsoft Windows 10 1607

CVE-2023-21554

Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.955 (99.9th percentile), scored .

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-21554: held from 0.955 to 0.955.

EPSS over last 30 days · oldest: 0.955 · newest: 0.955 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-21554?
CVE-2023-21554 is a critical-severity vulnerability in Microsoft Windows 10 1607, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2023-04-11.
How severe is CVE-2023-21554?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-21554 known to be exploited?
26 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.