CVE-2023-36396

Code execution via improper path equivalence

Published Nov 14, 2023 · Updated Oct 8, 2025

Remote code execution in Windows Compressed Folder in Windows 11 22H2, 22H3, and 23H2 allows attackers to execute code via a crafted archive. Microsoft identifies improper resolution of path equivalence but has not published the affected code locus or the archive-path operation that fails. Exploitation requires a user to process the crafted archive, and successful code runs in that user's context.

CVSS severity7.8
High
EPSS probability1.67%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Remote code execution in Windows Compressed Folder in Windows 11 22H2, 22H3, and 23H2 allows attackers to execute code via a crafted archive. Microsoft identifies improper resolution of path equivalence but has not published the affected code locus or the archive-path operation that fails. Exploitation requires a user to process the crafted archive, and successful code runs in that user's context.

The record

CVE
CVE-2023-36396
Published
Nov 14, 2023
Updated
Oct 8, 2025
Vendor
Microsoft
Product
Windows 11 Version 22H3
Classifications
CWE-41, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 8, 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=10.0.22631.0 <10.0.22631.2715

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Microsoft · Windows 11 Version 22H3version=10.0.22631.0 <10.0.22631.2715
Microsoft · Windows 11 Version 23H2version=10.0.22631.0 <10.0.22631.2715
Microsoft · Windows 11, version 22H2version=10.0.22621.0 <10.0.22621.2715

Published CVSS scores

7.8Microsoft CorporationCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-41Improper Resolution of Path Equivalence
T1204.002User Execution: Malicious File

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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