Summary
Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
How could an attacker exploit this vulnerability?
An attacker could exploit this vulnerability by convincing a user to navigate to a folder containing a specially crafted RAW image file. The vulnerability can be triggered when Windows generates a thumbnail or preview; the user does not need to open the file. Successful exploitation could allow remote code execution.
Security updates
2.4.36.0 — https://support.microsoft.com/en-us/accounts-billing/get-updates-for-apps-and-games-in-microsoft-store
Vulnerabilities 1
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High 8.8
Windows Raw Image Extension Remote Code Execution Vulnerability
Integer overflow or wraparound in Windows Raw Image Extension allows an unauthorized attacker to execute code over a network.
Revision history
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#1
Information published.
References
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CVE-2026-96943 Windows Raw Image Extension Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96943
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss