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Microsoft update

KB5066840

IE Cumulative

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Fixed in

Fixes 3 records

Priority MEDIUM 44

Heap-based buffer overflow in Internet Explorer allows an unauthorized attacker to execute code over a network.

CVSS 3.1HIGH 8.8 Network No auth User interaction EPSS 0.019 Published 2025-10-14 Fixed in 10.0.10240.21161, 10.0.14393.8519 +13 CWE-122
Priority LOW 32

Out-of-bounds read in Windows MapUrlToZone allows an unauthorized attacker to disclose information over a network.

CVSS 3.1HIGH 7.1 Network No auth User interaction EPSS 0.00499 Published 2025-10-14 Fixed in 10.0.10240.21161, 10.0.14393.8519 +13 CWE-125
Priority LOW 30

Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.

CVSS 3.1MEDIUM 6.5 Network No auth User interaction EPSS 0.00818 Published 2025-10-14 Fixed in 10.0.10240.21161, 10.0.14393.8519 +13 CWE-200