RCE in Microsoft Power Pages

CVE-2026-23652

Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an unauthorized attacker to execute code over a network.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.001 (28.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-23652?
CVE-2026-23652 is a critical-severity vulnerability in Microsoft Power Pages, classified under Command Injection. CVSS score: 10.0/10. Published 2026-05-22.
How severe is CVE-2026-23652?
Critical severity. CVSS v3 base score is 10.0 out of 10.