CVE-2023-36871Network attack vector

Authenticated integrity bypass in Azure AD authorization

Published Jul 11, 2023 · Updated Jan 1, 2025

Security feature bypass in Microsoft Azure Active Directory affects listed Windows releases and allows remote authenticated users to alter protected authorization decisions. Microsoft has not publicly disclosed the specific component or operation that permits the bypass, so the mechanism remains undisclosed. Exploitation requires network access and low privileges; the documented impact is integrity loss without confidentiality or availability impact.

CVSS severity6.5
Medium
EPSS probability1.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Security feature bypass in Microsoft Azure Active Directory affects listed Windows releases and allows remote authenticated users to alter protected authorization decisions. Microsoft has not publicly disclosed the specific component or operation that permits the bypass, so the mechanism remains undisclosed. Exploitation requires network access and low privileges; the documented impact is integrity loss without confidentiality or availability impact.

The record

CVE
CVE-2023-36871
Published
Jul 11, 2023
Updated
Jan 1, 2025
Vendor
Microsoft
Product
Windows 10 Version 1507
Classifications
Unavailable
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 1, 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=10.0.10240.0 <10.0.10240.20048

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Microsoft · Windows 10 Version 1507version=10.0.10240.0 <10.0.10240.20048
Microsoft · Windows Server 2019version=10.0.17763.0 <10.0.17763.4645
Microsoft · Windows Server 2016 (Server Core installation)version=10.0.14393.0 <10.0.14393.6085
Microsoft · Windows 11 version 21H2version=10.0.0 <10.0.22000.2176
Microsoft · Windows 10 Version 21H2version=10.0.19043.0 <10.0.19044.3208
Microsoft · Windows Server 2016version=10.0.14393.0 <10.0.14393.6085
Microsoft · Windows 10 Version 22H2version=10.0.19045.0 <10.0.19045.3208
Microsoft · Windows Server 2019 (Server Core installation)version=10.0.17763.0 <10.0.17763.4645
Microsoft · Windows 11, version 22H2version=10.0.22621.0 <10.0.22621.1992
Microsoft · Windows 10 Version 1607version=10.0.14393.0 <10.0.14393.6085
Microsoft · Windows Server 2022version=10.0.20348.0 <10.0.20348.1850
Microsoft · Windows 10 Version 1809version=10.0.0 <10.0.17763.4645; version=10.0.17763.0 <10.0.17763.4645

Published CVSS scores

6.5Microsoft CorporationCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/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

No sourced classifications are available.

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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