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CVE-2026-83504

Опубликовано: 13 окт. 2026
Источник: msrc
CVSS3: 4.7
EPSS Низкий

Описание

Windows SmartScreen Information Disclosure Vulnerability

Time-of-check time-of-use (toctou) race condition in Windows SmartScreen allows an authorized attacker to disclose information locally.

FAQ

According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?

Successful exploitation of this vulnerability requires an attacker to win a race condition.

What type of information could be disclosed by this vulnerability?

An attacker who successfully exploited this vulnerability could view heap memory from a privileged process running on the server.

Обновления

ПродуктСтатьяОбновление
Windows 11 Version 23H2 for ARM64-based Systems
Windows 11 Version 23H2 for x64-based Systems
Windows 11 Version 24H2 for ARM64-based Systems
Windows 11 Version 24H2 for x64-based Systems
Windows 11 Version 25H2 for ARM64-based Systems
Windows 11 Version 25H2 for x64-based Systems
Windows 11 version 26H1 for x64-based Systems
Windows 11 Version 26H1 for ARM64-based Systems

Показывать по

Возможность эксплуатации

Publicly Disclosed

No

Exploited

No

Latest Software Release

Exploitation Less Likely

EPSS

Процентиль: 19%
0.00271
Низкий

4.7 Medium

CVSS3

Связанные уязвимости

CVSS3: 4.7
nvd
27 дней назад

Time-of-check time-of-use (toctou) race condition in Windows SmartScreen allows an authorized attacker to disclose information locally.

CVSS3: 4.7
github
27 дней назад

Time-of-check time-of-use (toctou) race condition in Windows SmartScreen allows an authorized attacker to disclose information locally.

EPSS

Процентиль: 19%
0.00271
Низкий

4.7 Medium

CVSS3