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CVE-2026-54998

Опубликовано: 02 июл. 2026
Источник: msrc
CVSS3: 8.8
EPSS Низкий

Описание

Microsoft Exchange Online Elevation of Privilege Vulnerability

Incorrect authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.

FAQ

Why are there no links to an update or instructions with steps that must be taken to protect from this vulnerability?

This vulnerability has already been fully mitigated by Microsoft. There is no action for users of this service to take. The purpose of this CVE is to provide further transparency.

Please see Toward greater transparency: Unveiling Cloud Service CVEs for more information.

Возможность эксплуатации

Publicly Disclosed

No

Exploited

No

Latest Software Release

N/A

EPSS

Процентиль: 48%
0.00648
Низкий

8.8 High

CVSS3

Связанные уязвимости

CVSS3: 8.8
nvd
30 дней назад

Incorrect authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.

CVSS3: 8.8
github
30 дней назад

Incorrect authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.

EPSS

Процентиль: 48%
0.00648
Низкий

8.8 High

CVSS3