CVE-2026-108463: microsoft windows_11_24h2, microsoft windows_11_25h2, microsoft windows_11_26h1

CVSS 8.8 (high) · published 2026-10-13

Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.

Affected products (NVD): microsoft windows_11_24h2, microsoft windows_11_25h2, microsoft windows_11_26h1, microsoft windows_11_26h2

Fixed in (NVD): 10.0.26100.9711, 10.0.26200.9711, 10.0.28000.3231, 10.0.26300.9711

Weakness: CWE-41

Source: NVD CVE-2026-108463

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108463

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