CVE Vulnerabilities

CVE-2026-103577

Insecure Default Variable Initialization

Published: Oct 13, 2026 | Modified: Oct 27, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
Ubuntu
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Insecure default variable initialization in Microsoft QUIC allows an unauthorized attacker to bypass a security feature over a network.

Weakness

The product, by default, initializes an internal variable with an insecure or less secure value than is possible.

Affected Software

NameVendorStart VersionEnd Version
Windows_11_23h2Microsoft*10.0.22631.7652 (excluding)
Windows_11_24h2Microsoft*10.0.26100.9711 (excluding)
Windows_11_25h2Microsoft*10.0.26200.9711 (excluding)
Windows_11_26h1Microsoft*10.0.28000.3231 (excluding)
Windows_11_26h2Microsoft*10.0.26300.9711 (excluding)
Windows_server_2022Microsoft*10.0.20348.5761 (excluding)
Windows_server_2025Microsoft*10.0.26100.33650 (excluding)

Potential Mitigations

References