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On CISA KEVHigh

CVE-2025-53772Web Deploy 4.0 Insecure Deserialization

Web Deploy Remote Code Execution Vulnerability

Published Aug 12, 2025 · Updated Feb 26, 2026

Key Facts

Patch immediately
  • CVE-2025-53772 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Web Deploy 4.0 (Microsoft).
  • It is exploited in the wild, listed in Industry KEV feed since Oct 7, 2025. No public exploit code is known.
  • EPSS estimates a 28% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Web Deploy 4.0 10.0.2001.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v3.1

8.8

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

EPSS (30-day exploit likelihood)

28%

Higher than 98.0% of all scored CVEs

Exploit maturity

Exploited (KEV)

ATLAS score

48/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Oct 7, 2025

56 days after publication

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Exploited (KEV)

Public exploit code

0

Proof-of-concept links

In-the-wild evidence

1

Reports of active use

Advisories And Exploit References

Description

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

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedOct 7, 2025n/aNot reported

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
Web Deploy 4.0Microsoft>= 10.0.200010.0.2001

Patched Releases

Web Deploy 4.0

10.0.2001

Timeline

  1. Publicly disclosed

    Aug 12, 2025

  2. Added to Industry KEV feed

    Oct 7, 2025

  3. Last updated

    Feb 26, 2026

Weakness Type

  • CWE-502 Deserialization of Untrusted Data

FAQ

Common Questions.

Is CVE-2025-53772 On Your Attack Surface?

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More vulnerabilities

Figures as of Oct 23, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.