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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.258 (97.9th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.9% 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-2025-53772: rose from 0.239 to 0.258.

EPSS over last 30 days · oldest: 0.239 · newest: 0.258 · change: +0.019

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.