CVE-2022-24477
published 2022-08-09CVE-2022-24477: Microsoft Exchange Server Elevation of Privilege Vulnerability
PriorityP344high8CVSS 3.1
AVNACLPRLUIRSUCHIHAH
EPSS
1.73%
75.0th percentile
Microsoft Exchange Server Elevation of Privilege Vulnerability
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | microsoft_exchange_server_2013_cumulative_update_23 | >= 15.00.0 < 15.00.1497.042 | 15.00.1497.042 |
| microsoft | microsoft_exchange_server_2016_cumulative_update_22 | >= 15.0.0 < 15.01.2375.032 | 15.01.2375.032 |
| microsoft | microsoft_exchange_server_2016_cumulative_update_23 | >= 15.01.0 < 15.01.2507.013 | 15.01.2507.013 |
| microsoft | microsoft_exchange_server_2019_cumulative_update_11 | >= 15.02.0 < 15.02.0986.030 | 15.02.0986.030 |
| microsoft | microsoft_exchange_server_2019_cumulative_update_12 | >= 15.02.0 < 15.02.1118.015 | 15.02.1118.015 |
| msrc | microsoft_exchange_server_2013_cumulative_update_23 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_22 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_23 | — | — |
| msrc | microsoft_exchange_server_2019_cumulative_update_11 | — | — |
| msrc | microsoft_exchange_server_2019_cumulative_update_12 | — | — |
CVSS provenance
nvdv3.18.0HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
vendor_msrc8.0HIGH
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GHSA
GHSA-h868-8jhq-vfg3: Microsoft Exchange Server Elevation of Privilege Vulnerability
ghsa_unreviewed·2022-08-10·CVSS 8.0
CVE-2022-21980 [HIGH] GHSA-h868-8jhq-vfg3: Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-24477, CVE-2022-24516.
GHSA
GHSA-755m-fcp2-mgm7: Microsoft Exchange Server Elevation of Privilege Vulnerability
ghsa_unreviewed·2022-08-10·CVSS 8.0
CVE-2022-24477 [HIGH] GHSA-755m-fcp2-mgm7: Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-21980, CVE-2022-24516.
GHSA
GHSA-x5qp-cq7c-cv6q: Microsoft Exchange Server Elevation of Privilege Vulnerability
ghsa_unreviewed·2022-08-10·CVSS 8.0
CVE-2022-24516 [HIGH] GHSA-x5qp-cq7c-cv6q: Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-21980, CVE-2022-24477.
Microsoft
Microsoft Exchange Server Elevation of Privilege Vulnerability
vendor_msrc·2022-08-09·CVSS 8.0
CVE-2022-24477 [HIGH] Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability
FAQ: According to the CVSS metric, privileges required is low (PR:L). Does the attacker need to be in an authenticated role on the Exchange Server?
Yes, the attacker must be authenticated.
FAQ: What privileges could be gained by an attacker who successfully exploited the vulnerability?
The attacker would be able to take over the mailboxes of all Exchange users, attackers can send emails, read emails, download attachments.
FAQ: Are there any more actions I need to take to be protected from this vulnerability?
Yes. Customers running an affected version of Microsoft Exchange need to enable Extended Protection to be protected from this vulnerability. For more information, see Exchange Server Support for Windows Extended Protecti
No detection rules found.
No public exploits indexed.
Bleepingcomputer
Microsoft Exchange update enables Extended Protection by default
blogs_bleepingcomputer·2024-02-14·CVSS 8.0
[HIGH] Microsoft Exchange update enables Extended Protection by default
## Microsoft Exchange update enables Extended Protection by default
## Sergiu Gatlan
"If your servers are not ready for using EP (for example, they use SSL bridging or there are mismatches between client and server TLS configuration), and you do not opt out of EP enablement during Setup, it is possible that some functionality may break after installing CU14."
Admins are advised to evaluate their environments and review the issues mentioned in the documentation of the Microsoft-provided ExchangeExtendedProtectionManagement PowerShell script before toggling EP on their Exchange servers (this script automatically updates itself on systems connected to the Internet).
If encountering issues after EP is enabled, admins can either ensure that all EP prerequisites are met or use the script to
Krebs
Microsoft Patch Tuesday, August 2022 Edition
blogs_krebs·2022-08-10·CVSS 8.0
[HIGH] Microsoft Patch Tuesday, August 2022 Edition
Microsoft today released updates to fix a record 141 security vulnerabilities in its Windows operating systems and related software. Once again, Microsoft is patching a zero-day vulnerability in the Microsoft Support Diagnostics Tool (MSDT), a service built into Windows. Redmond also addressed multiple flaws in Exchange Server — including one that was disclosed publicly prior to today — and it is urging organizations that use Exchange for email to update as soon as possible and to enable additional protections.
In June, Microsoft patched a vulnerability in MSDT dubbed “Follina” that had been used in active attacks for at least three months prior. This latest MSDT bug — CVE-2022-34713 — is a remote code execution flaw that requires convincing a target to open a booby-trapped file, such as
Tenable
Microsoft’s August 2022 Patch Tuesday Addresses 118 CVEs (CVE-2022-34713)
blogs_tenable·2022-08-09·CVSS 7.8
[HIGH] Microsoft’s August 2022 Patch Tuesday Addresses 118 CVEs (CVE-2022-34713)
## Cloud Exposure
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## Vulnerability Exposure
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## AI Exposure
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## OT/IoT Exposure
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## Identity Exposure
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## Business needs
Active Directory
AI Security Posture Management (AI-SPM)
AWS security
Azure security
Cloud Security Posture Man
Talos
Microsoft Patch Tuesday for August 2022 — Snort rules and prominent vulnerabilities
blogs_talos·2022-08-09·CVSS 8.0
[HIGH] Microsoft Patch Tuesday for August 2022 — Snort rules and prominent vulnerabilities
Microsoft released its monthly security update Tuesday, disclosing more than 120 vulnerabilities across its line of products and software, the most in a single Patch Tuesday in four months.
This batch of updates also includes a fix for a new vulnerability in the Microsoft Windows Support Diagnostic Tool (MSDT) that’s actively being exploited in the wild, according to Microsoft. MSDT was already the target of the so-called “Follina” zero-day vulnerability in June.
In all, August’s Patch Tuesday includes 15 critical vulnerabilities and a single low- and moderate-severity issue. The remainder is classified as “important.”
Two of the important vulnerabilities CVE-2022-35743 and CVE-2022-34713 are remote code execution vulnerabilities in MSDT. However, only CVE-2022-34713 has been exploited
Talos
Microsoft Patch Tuesday for August 2022 — Snort rules and prominent vulnerabilities
blogs_talos·2022-08-09·CVSS 8.0
[HIGH] Microsoft Patch Tuesday for August 2022 — Snort rules and prominent vulnerabilities
## Microsoft Patch Tuesday for August 2022 — Snort rules and prominent vulnerabilities
Microsoft released its monthly security update Tuesday, disclosing more than 120 vulnerabilities across its line of products and software, the most in a single Patch Tuesday in four months .
This batch of updates also includes a fix for a new vulnerability in the Microsoft Windows Support Diagnostic Tool (MSDT) that’s actively being exploited in the wild, according to Microsoft. MSDT was already the target of the so-called “Follina” zero-day vulnerability in June.
In all, August’s Patch Tuesday includes 15 critical vulnerabilities and a single low- and moderate-severity issue. The remainder is classified as “important.”
Two of the important vulnerabilities CVE-2022-35743 and CVE-2022-34713 are remote
Krebs
Microsoft Patch Tuesday, August 2022 Edition
blogs_krebs·2022-08-09·CVSS 8.0
[HIGH] Microsoft Patch Tuesday, August 2022 Edition
Microsoft today released updates to fix a record 141 security vulnerabilities in its Windows operating systems and related software. Once again, Microsoft is patching a zero-day vulnerability in the Microsoft Support Diagnostics Tool (MSDT), a service built into Windows. Redmond also addressed multiple flaws in Exchange Server — including one that was disclosed publicly prior to today — and it is urging organizations that use Exchange for email to update as soon as possible and to enable additional protections.
In June, Microsoft patched a vulnerability in MSDT dubbed “ Follina ” that had been used in active attacks for at least three months prior . This latest MSDT bug — CVE-2022-34713 — is a remote code execution flaw that requires convincing a target to open a booby-trapped file, such
Crowdstrike
August Patch Tuesday 2022: Updates and Analysis
blogs_crowdstrike·CVSS 7.5
CVE-2026-20929 [HIGH] August Patch Tuesday 2022: Updates and Analysis
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Crowdstrike
August Patch Tuesday 2022: Updates and Analysis
blogs_crowdstrike·CVSS 7.5
CVE-2026-20929 [HIGH] August Patch Tuesday 2022: Updates and Analysis
STARDUST CHOLLIMA Likely Compromises Axios npm Package Apr 01, 2026
Falcon for IT Supports Windows Secure Boot Certificate Lifecycle Management Apr 01, 2026
Detecting CVE-2026-20929: Kerberos Authentication Relay via CNAME Abuse Mar 31, 2026
How Charlotte AI AgentWorks Fuels Security's Agentic Ecosystem Mar 25, 2026
STARDUST CHOLLIMA Likely Compromises Axios npm Package Apr 01, 2026
Falcon for IT Supports Windows Secure Boot Certificate Lifecycle Management Apr 01, 2026
Detecting CVE-2026-20929: Kerberos Authentication Relay via CNAME Abuse Mar 31, 2026
How Charlotte AI AgentWorks Fuels Security's Agentic Ecosystem Mar 25, 2026
Video Highlights the 4 Key Steps to Successful Incident Response Dec 02, 2019
Helping Non-Security Stakeholders Understand ATT&CK in 10 Minutes or Less [VI
2022-08-09
Published