CVE-2023-24943
published 2023-05-09CVE-2023-24943: Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
PriorityP264critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
4.68%
90.8th percentile
Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
Affected
41 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.19926 | 10.0.10240.19926 |
| microsoft | windows_10_1607 | < 10.0.14393.5921 | 10.0.14393.5921 |
| microsoft | windows_10_1809 | < 10.0.17763.4377 | 10.0.17763.4377 |
| microsoft | windows_10_20h2 | < 10.0.19042.2965 | 10.0.19042.2965 |
| microsoft | windows_10_21h2 | < 10.0.19044.2965 | 10.0.19044.2965 |
| microsoft | windows_10_22h2 | < 10.0.19045.2965 | 10.0.19045.2965 |
| microsoft | windows_10_version_1507 | >= 10.0.10240.0 < 10.0.10240.19926 | 10.0.10240.19926 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.5921 | 10.0.14393.5921 |
| microsoft | windows_10_version_1809 | >= 10.0.0 < 10.0.17763.4377 | 10.0.17763.4377 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.4377 | 10.0.17763.4377 |
| microsoft | windows_10_version_20h2 | >= 10.0.0 < 10.0.19042.2965 | 10.0.19042.2965 |
| microsoft | windows_10_version_21h2 | >= 10.0.19043.0 < 10.0.19044.2965 | 10.0.19044.2965 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.2965 | 10.0.19045.2965 |
| microsoft | windows_11_21h2 | < 10.0.22000.1936 | 10.0.22000.1936 |
| microsoft | windows_11_22h2 | < 10.0.22000.1702 | 10.0.22000.1702 |
| microsoft | windows_11_version_21h2 | >= 10.0.0 < 10.0.22000.1936 | 10.0.22000.1936 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.1702 | 10.0.22621.1702 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.26519 | 6.1.7601.26519 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.22070 | 6.0.6003.22070 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.24266 | 6.2.9200.24266 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.20969 | 6.3.9600.20969 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.5921 | 10.0.14393.5921 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.4377 | 10.0.17763.4377 |
Detection & IOCsextracted from sources · hover to see the quote
- →Check for the Windows Message Queuing service running and TCP port 1801 listening — both conditions are required for a system to be exploitable. ↗
- →Attack vector is a specially crafted file sent over the network targeting a PGM Server environment with Windows Message Queuing enabled; monitor for anomalous inbound network traffic to the MSMQ service on port 1801. ↗
- ·The vulnerability is only exploitable if the Windows Message Queuing service is enabled and running; it is not enabled by default but can be added via Control Panel. ↗
- ·Exploitation requires a PGM Server environment in addition to the Message Queuing service being active. ↗
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_msrc9.8CRITICAL
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GHSA
GHSA-25r4-89vx-h95c: Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
ghsa_unreviewed·2023-05-09
CVE-2023-24943 [CRITICAL] GHSA-25r4-89vx-h95c: Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
Microsoft
Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
vendor_msrc·2023-05-09·CVSS 9.8
CVE-2023-24943 [CRITICAL] CWE-122 Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
FAQ: How could an attacker exploit this vulnerability?
When Windows message queuing service is running in a PGM Server environment, an attacker could send a specially crafted file over the network to achieve remote code execution and attempt to trigger malicious code.
Windows PGM: Windows PGM
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Remote Code Execution
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5026362
Reference: https://support.microsoft.com/help/5026362
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5026370
Reference: http
No detection rules found.
No public exploits indexed.
Talos
Microsoft Patch Tuesday for May 2023 — Fewest vulnerabilities disclosed in a month in three-plus years
blogs_talos·2023-05-09·CVSS 9.8
[CRITICAL] Microsoft Patch Tuesday for May 2023 — Fewest vulnerabilities disclosed in a month in three-plus years
## Microsoft Patch Tuesday for May 2023 — Fewest vulnerabilities disclosed in a month in three-plus years
Microsoft disclosed 40 vulnerabilities across its suite of products and software Tuesday, the fewest the company’s included in a Patch Tuesday since December 2019.
However, two of the vulnerabilities is being actively exploited in the wild, according to Microsoft, the fourth month in a row in which this is the case for the monthly roundup of security issues.
In all, this Patch Tuesday includes seven critical vulnerabilities and 33 that are considered “important.”
One of the zero-day vulnerabilities included this month is CVE-2023-29336 , an elevation of privilege vulnerability in the Win32k kernel mode driver. An adversary could exploit this vulnerability to gain SYSTEM privileges.
Qualys
Microsoft and Adobe Patch Tuesday, May 2023 Security Update Review
blogs_qualys·2023-05-09
Microsoft and Adobe Patch Tuesday, May 2023 Security Update Review
## Table of Contents
Microsoft Patch Tuesday for May 2023
Adobe Patches for May 2023
Zero-day Vulnerabilities Patched in May Patch Tuesday Edition
Other Critical Severity Vulnerabilities Patched in May Patch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Discover and Prioritize Vulnerabilities in Vulnerability Management, Detection & Response (VMDR)
Rapid Response with Patch Management (PM)
EVALUATE Vendor-Suggested Mitigation with Policy Compliance (PC)
EXECUTE Mitigation Using Qualys Custom Assessment and Remediation (CAR)
Qualys Monthly Webinar Series
This Month in Vulnerabilities & Patches
Microsoft has addressed 49 vulnerabilities in its May Patch Tuesday edition. The security advisories cover various vulnerabilities in different produc
Talos
Microsoft Patch Tuesday for May 2023 — Fewest vulnerabilities disclosed in a month in three-plus years
blogs_talos·2023-05-09·CVSS 9.8
[CRITICAL] Microsoft Patch Tuesday for May 2023 — Fewest vulnerabilities disclosed in a month in three-plus years
Microsoft disclosed 40 vulnerabilities across its suite of products and software Tuesday, the fewest the company’s included in a Patch Tuesday since December 2019.
However, two of the vulnerabilities is being actively exploited in the wild, according to Microsoft, the fourth month in a row in which this is the case for the monthly roundup of security issues.
In all, this Patch Tuesday includes seven critical vulnerabilities and 33 that are considered “important.”
One of the zero-day vulnerabilities included this month is CVE-2023-29336, an elevation of privilege vulnerability in the Win32k kernel mode driver. An adversary could exploit this vulnerability to gain SYSTEM privileges.
The most serious vulnerability disclosed Tuesday is CVE-2023-24941, a remote code execution vulnerability
Qualys
Microsoft Patch Tuesday, May 2023 Security Update Review | Qualys
blogs_qualys·2023-05-09
Microsoft Patch Tuesday, May 2023 Security Update Review | Qualys
#### Table of Contents
- Microsoft Patch Tuesday for May 2023
- Adobe Patches for May 2023
- Zero-day Vulnerabilities Patched in May Patch Tuesday Edition
- Other Critical Severity Vulnerabilities Patched in May Patch Tuesday Edition
- Other Microsoft Vulnerability Highlights
- Microsoft Release Summary
- Discover and Prioritize Vulnerabilities in Vulnerability Management, Detection & Response (VMDR)
- Rapid Response with Patch Management (PM)
- EVALUATE Vendor-Suggested Mitigation with Policy Compliance (PC)
- EXECUTE Mitigation Using Qualys Custom Assessment and Remediation (CAR)
- Qualys Monthly Webinar Series
- This Month in Vulnerabilities & Patches
Microsoft has addressed 49 vulnerabilities in its May Patch Tuesday edition. The security advisories cover various vulnerabilities in d
Crowdstrike
May 2023 Patch Tuesday: Updates and Analysis
blogs_crowdstrike·CVSS 7.5
CVE-2026-20929 [HIGH] May 2023 Patch Tuesday: Updates and Analysis
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2023-05-09
Published