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CVE-2026-66318

Опубликовано: 31 июл. 2026
Источник: msrc
CVSS3: 8.1
EPSS Низкий

Описание

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

FAQ

What type of information could be disclosed by this vulnerability?

The type of information that could be disclosed if an attacker successfully exploited this vulnerability is sensitive information.

How could an attacker exploit this vulnerability?

An attacker could attempt to trick a user into interacting with a malicious request that appears legitimate. When the user approves the request, the attacker could cause the app to obtain an access token on the user’s behalf and send it to a location controlled by the attacker, without the user being clearly informed about what access is being granted.

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?

The user must visit the attacker‑controlled webpage, and perform the two tap gestures that cause autofill to activate.

What is the version information for this release?

Microsoft Edge VersionDate ReleasedBased on Chromium Version
151.0.4129.5907/31/2026151.0.7922.71/.72

Возможность эксплуатации

Publicly Disclosed

No

Exploited

No

Latest Software Release

Exploitation Unlikely

EPSS

Процентиль: 29%
0.00368
Низкий

8.1 High

CVSS3

Связанные уязвимости

CVSS3: 8.1
nvd
3 дня назад

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

CVSS3: 8.1
github
3 дня назад

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

EPSS

Процентиль: 29%
0.00368
Низкий

8.1 High

CVSS3