Deserialization in Microsoft Web Deploy 4.0

CVE-2025-53772

Deserialization of untrusted data in Web Deploy allows an authorized attacker to execute code over a network.

Vulnerability class: Insecure Deserialization

EPSS: 0.223 (97.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-53772?
CVE-2025-53772 is a high-severity vulnerability in Microsoft Web Deploy 4.0, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2025-08-12.
How severe is CVE-2025-53772?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-53772 known to be exploited?
8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.