CVE-2023-36706Network attack vector

Authenticated information disclosure via undisclosed input validation

Published Oct 10, 2023 · Updated Apr 14, 2025

Improper input validation in Microsoft Windows Deployment Services allows remote authenticated users to disclose sensitive information. Microsoft has not published the affected request field, parsing routine, or invalid-input operation within the service. Successful exploitation requires authenticated network access to WDS and exposes confidential information without altering data or interrupting service.

CVSS severity6.5
Medium
EPSS probability1.83%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Microsoft Windows Deployment Services allows remote authenticated users to disclose sensitive information. Microsoft has not published the affected request field, parsing routine, or invalid-input operation within the service. Successful exploitation requires authenticated network access to WDS and exposes confidential information without altering data or interrupting service.

The record

CVE
CVE-2023-36706
Published
Oct 10, 2023
Updated
Apr 14, 2025
Vendor
Microsoft
Product
Windows Server 2019
Classifications
CWE-20
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 10, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 14, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=10.0.17763.0 <10.0.17763.4974

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Microsoft · Windows Server 2019version=10.0.17763.0 <10.0.17763.4974
Microsoft · Windows Server 2016 (Server Core installation)version=10.0.14393.0 <10.0.14393.6351
Microsoft · Windows Server 2012 (Server Core installation)version=6.2.9200.0 <6.2.9200.24523
Microsoft · Windows Server 2012version=6.2.9200.0 <6.2.9200.24523
Microsoft · Windows Server 2016version=10.0.14393.0 <10.0.14393.6351
Microsoft · Windows Server 2008 R2 Service Pack 1version=6.1.7601.0 <6.1.7601.26769
Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)version=6.1.7601.0 <6.1.7601.26769
Microsoft · Windows Server 2012 R2 (Server Core installation)version=6.3.9600.0 <6.3.9600.21620
Microsoft · Windows Server 2019 (Server Core installation)version=10.0.17763.0 <10.0.17763.4974
Microsoft · Windows Server 2008 Service Pack 2version=6.0.6003.0 <6.0.6003.22317
Microsoft · Windows Server 2022version=10.0.20348.0 <10.0.20348.2031
Microsoft · Windows Server 2012 R2version=6.3.9600.0 <6.3.9600.21620
Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)version=6.0.6003.0 <6.0.6003.22317

Published CVSS scores

6.5MicrosoftCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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