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msrcMicrosoft Security Response CenterMSRC:644966B4D83B650C284EC9D93664582D
HistorySep 30, 2022 - 7:00 a.m.

Customer Guidance for Reported Zero-day Vulnerabilities in Microsoft Exchange Server

2022-09-3007:00:00
Microsoft Security Response Center
link
14

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

0.967 High

EPSS

Percentile

99.4%

JSON

November 8, 2022 update - Microsoft released security updates for CVE-2022-41040 and CVE-2022-41082. We recommend that customers protect their organizations by applying the updates immediately to affected systems. The options described in the Mitigations section are no longer recommended. For more information, review the Exchange Team blog. Summary Summary On November 8 Microsoft released security updates for two zero-day vulnerabilities affecting Microsoft Exchange Server 2013, Exchange Server 2016, and Exchange Server 2019.

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8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

0.967 High

EPSS

Percentile

99.4%

JSON
Related for MSRC:644966B4D83B650C284EC9D93664582D
checkpoint_advisories1wordfence1cisa1thn11mssecure2nessus3cisa_kev3packetstorm1rapid7blog6msrc2talosblog4attackerkb3cert1qualysblog5krebs2malwarebytes4hackread1kaspersky1metasploit1akamaiblog1hivepro1mmpc2impervablog1ics2cnvd2githubexploit36mscve2prion2hackerone1securelist2zdi32cve2mskb1trellix2wizblog1avleonov3