CVE-2026-96202

Windows Raw Image Extension Remote Code Execution Vulnerability

CVE-2026-96202 is fixed in 4 products on 2 platforms, first by Microsoft Edge Dev 155.0.4273.0, released September 11, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

UrgentFixed on 2 platforms

CVSS

8.8

Critical

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0093

60th percentile

<p>Heap-based buffer overflow in Windows Raw Image Extension allows an unauthorized attacker to execute code over a network.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Microsoft Edge	154.0.4258.48	Microsoft Edge 154.0.4258.48	Sep 29, 2026
Microsoft Edge Beta	155.0.4283.33	Microsoft Edge Beta 155.0.4283.33	Oct 2, 2026
Microsoft Edge Dev	155.0.4273.0	Microsoft Edge Dev 155.0.4273.0	Sep 11, 2026
Microsoft Edge WebView2 Runtime	154.0.4258.48	Microsoft Edge WebView2 Runtime 154.0.4258.48	Sep 29, 2026
macOS
Microsoft Edge	154.0.4258.48	Microsoft Edge 154.0.4258.48	Sep 28, 2026

Details

Published
October 13, 2026
Weakness
Heap-based Buffer Overflow
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96202

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