CVE-2023-35323

High

Published: 11 July 2023

Published

11 July 2023

Modified

21 November 2024

KEV Added

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Patch

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CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Score 0.0126 79.8th percentile

Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-35323 is a high-severity Use After Free (CWE-416) vulnerability in Microsoft Windows 11 21H2. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 20.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Windows OLE Remote Code Execution Vulnerability

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

microsoft

windows 11 21h2

≤ 10.0.22000.2176

microsoft

windows server 2022

all versions

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.