CVE-2023-32016

Local information disclosure via uninitialized resource

Published Jun 13, 2023 · Updated Jan 1, 2025

Information disclosure in Windows Installer in affected Microsoft Windows releases allows local users to obtain sensitive information. Microsoft identifies use of an uninitialized resource but has not published the specific Windows Installer locus or data operation that exposes it. The flaw requires local low-privilege access and exposes confidential information without altering data or disrupting service.

CVSS severity5.5
Medium
EPSS probability0.67%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Windows Installer in affected Microsoft Windows releases allows local users to obtain sensitive information. Microsoft identifies use of an uninitialized resource but has not published the specific Windows Installer locus or data operation that exposes it. The flaw requires local low-privilege access and exposes confidential information without altering data or disrupting service.

The record

CVE
CVE-2023-32016
Published
Jun 13, 2023
Updated
Jan 1, 2025
Vendor
Microsoft
Product
Windows 10 Version 1507
Classifications
CWE-908
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 13, 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

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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 <10.0.10240.19983

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Microsoft · Windows 10 Version 1507version=10.0.10240.0 <10.0.10240.19983
Microsoft · Windows Server 2019version=10.0.17763.0 <10.0.17763.4499
Microsoft · Windows Server 2016 (Server Core installation)version=10.0.14393.0 <10.0.14393.5989
Microsoft · Windows 11 version 21H2version=10.0.0 <10.0.22000.2057
Microsoft · Windows Server 2012 (Server Core installation)version=6.2.9200.0 <6.2.9200.24314
Microsoft · Windows Server 2012version=6.2.9200.0 <6.2.9200.24314
Microsoft · Windows 10 Version 21H2version=10.0.19043.0 <10.0.19044.3086
Microsoft · Windows Server 2016version=10.0.14393.0 <10.0.14393.5989
Microsoft · Windows Server 2008 R2 Service Pack 1version=6.1.7601.0 <6.1.7601.26564
Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)version=6.1.7601.0 <6.1.7601.26564
Microsoft · Windows 10 Version 22H2version=10.0.19045.0 <10.0.19045.3086
Microsoft · Windows Server 2012 R2 (Server Core installation)version=6.3.9600.0 <6.3.9600.21013
Microsoft · Windows Server 2019 (Server Core installation)version=10.0.17763.0 <10.0.17763.4499
Microsoft · Windows 11, version 22H2version=10.0.22621.0 <10.0.22621.1848
Microsoft · Windows 10 Version 1607version=10.0.14393.0 <10.0.14393.5989
Microsoft · Windows Server 2008 Service Pack 2version=6.0.6003.0 <6.0.6003.22113
Microsoft · Windows Server 2022version=10.0.20348.0 <10.0.20348.1787
Microsoft · Windows 10 Version 1809version=10.0.0 <10.0.17763.4499; version=10.0.17763.0 <10.0.17763.4499
Microsoft · Windows Server 2012 R2version=6.3.9600.0 <6.3.9600.21013
Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)version=6.0.6003.0 <6.0.6003.22113

Published CVSS scores

5.5Microsoft CorporationCVSS:3.1/AV:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-908Use of Uninitialized Resource

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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