CVE-2023-21526
published 2023-07-11CVE-2023-21526: Windows Netlogon Information Disclosure Vulnerability
PriorityP337high7.4CVSS 3.1
AVNACHPRNUINSUCHIHAN
EPSS
1.02%
59.0th percentile
Windows Netlogon Information Disclosure Vulnerability
Affected
38 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10_1507 | < 10.0.10240.20048 | 10.0.10240.20048 |
| microsoft | windows_10_1607 | < 10.0.14393.6085 | 10.0.14393.6085 |
| microsoft | windows_10_1809 | < 10.0.17763.4645 | 10.0.17763.4645 |
| microsoft | windows_10_21h2 | < 10.0.19041.3208 | 10.0.19041.3208 |
| microsoft | windows_10_22h2 | < 10.0.19045.3208 | 10.0.19045.3208 |
| microsoft | windows_10_version_1507 | >= 10.0.10240.0 < 10.0.10240.20048 | 10.0.10240.20048 |
| microsoft | windows_10_version_1607 | >= 10.0.14393.0 < 10.0.14393.6085 | 10.0.14393.6085 |
| microsoft | windows_10_version_1809 | >= 10.0.0 < 10.0.17763.4645 | 10.0.17763.4645 |
| microsoft | windows_10_version_1809 | >= 10.0.17763.0 < 10.0.17763.4645 | 10.0.17763.4645 |
| microsoft | windows_10_version_21h2 | >= 10.0.19043.0 < 10.0.19044.3208 | 10.0.19044.3208 |
| microsoft | windows_10_version_22h2 | >= 10.0.19045.0 < 10.0.19045.3208 | 10.0.19045.3208 |
| microsoft | windows_11_21h2 | < 10.0.22000.2176 | 10.0.22000.2176 |
| microsoft | windows_11_22h2 | < 10.0.22621.1992 | 10.0.22621.1992 |
| microsoft | windows_11_version_21h2 | >= 10.0.0 < 10.0.22000.2176 | 10.0.22000.2176 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.1992 | 10.0.22621.1992 |
| microsoft | windows_server_2008 | — | — |
| microsoft | windows_server_2008_r2_service_pack_1 | >= 6.1.7601.0 < 6.1.7601.26623 | 6.1.7601.26623 |
| microsoft | windows_server_2008_service_pack_2 | >= 6.0.6003.0 < 6.0.6003.22175 | 6.0.6003.22175 |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012 | >= 6.2.9200.0 < 6.2.9200.24374 | 6.2.9200.24374 |
| microsoft | windows_server_2012_r2 | >= 6.3.9600.0 < 6.3.9600.21063 | 6.3.9600.21063 |
| microsoft | windows_server_2016 | >= 10.0.14393.0 < 10.0.14393.6085 | 10.0.14393.6085 |
| microsoft | windows_server_2019 | >= 10.0.17763.0 < 10.0.17763.4645 | 10.0.17763.4645 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.1850 | 10.0.20348.1850 |
| msrc | windows_10 | — | — |
CVSS provenance
nvdv3.17.4HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
vendor_msrc7.4HIGH
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GHSA
GHSA-7pjm-g8hr-8rg2: Windows Netlogon Information Disclosure Vulnerability
ghsa_unreviewed·2023-07-11
CVE-2023-21526 [HIGH] GHSA-7pjm-g8hr-8rg2: Windows Netlogon Information Disclosure Vulnerability
Windows Netlogon Information Disclosure Vulnerability
Microsoft
Windows Netlogon Information Disclosure Vulnerability
vendor_msrc·2023-07-11·CVSS 7.4
CVE-2023-21526 [HIGH] Windows Netlogon Information Disclosure Vulnerability
Windows Netlogon Information Disclosure Vulnerability
FAQ: What type of information could be disclosed by this vulnerability?
An attacker who successfully exploited this vulnerability could intercept and potentially modify traffic between client and server systems.
FAQ: According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
The attacker must inject themselves into the logical network path between the target and the resource requested by the victim to read or modify network communications. This is called a machine-in-the-middle (MITM) attack.
Windows Netlogon: Windows Netlogon
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Information Disclosure
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Rele
No detection rules found.
No public exploits indexed.
Talos
Microsoft discloses more than 130 vulnerabilities as part of July’s Patch Tuesday, four exploited in the wild
blogs_talos·2023-07-11·CVSS 7.8
[HIGH] Microsoft discloses more than 130 vulnerabilities as part of July’s Patch Tuesday, four exploited in the wild
Microsoft released its monthly security update Tuesday, disclosing the most vulnerabilities as part of Patch Tuesday in more than a year.
The company released details of more than 130 vulnerabilities, the most in a month since April 2022, 10 of which are considered to be critical. The remaining vulnerabilities are “important.”
Microsoft also included an advisory in today’s Patch Tuesday that provides guidance to mitigate Microsoft-signed drivers that attackers are using maliciously in the wild. Talos recently discovered an attack that focuses on drivers certified by Microsoft’s Windows Hardware Developer Program (MWHDP) being used maliciously in post-exploitation activity. Microsoft had been previously notified of this type of activity in February 2023, and Talos researchers recently rep
Qualys
Microsoft and Adobe Patch Tuesday, July 2023 Security Update Review
blogs_qualys·2023-07-11·CVSS 7.8
[HIGH] Microsoft and Adobe Patch Tuesday, July 2023 Security Update Review
## Table of Contents
Microsoft Patch Tuesday for July 2023
Adobe Patches for July 2023
Zero-day Vulnerabilities Patched in July Patch Tuesday Edition
Other Critical Severity Vulnerabilities Patched in July 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
Microsoft has released July’s edition of Patch Tuesday! This installment of security updates addressed 132 security vulnerabilities in various products, features, and roles.
## Microsoft
Qualys
Microsoft and Adobe Patch Tuesday, July 2023 Security Update Review | Qualys
blogs_qualys·2023-07-11·CVSS 7.8
[HIGH] Microsoft and Adobe Patch Tuesday, July 2023 Security Update Review | Qualys
#### Table of Contents
- Microsoft Patch Tuesday for July 2023
- Adobe Patches for July 2023
- Zero-day Vulnerabilities Patched in July Patch Tuesday Edition
- Other Critical Severity Vulnerabilities Patched in July 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
Microsoft has released July’s edition of Patch Tuesday! This installment of security updates addressed 132 security vulnerabilities in various products, features, and roles.
Talos
Microsoft discloses more than 130 vulnerabilities as part of July’s Patch Tuesday, four exploited in the wild
blogs_talos·2023-07-11·CVSS 7.8
[HIGH] Microsoft discloses more than 130 vulnerabilities as part of July’s Patch Tuesday, four exploited in the wild
## Microsoft discloses more than 130 vulnerabilities as part of July’s Patch Tuesday, four exploited in the wild
Microsoft released its monthly security update Tuesday, disclosing the most vulnerabilities as part of Patch Tuesday in more than a year.
The company released details of more than 130 vulnerabilities, the most in a month since April 2022, 10 of which are considered to be critical. The remaining vulnerabilities are “important.”
Microsoft also included an advisory in today’s Patch Tuesday that provides guidance to mitigate Microsoft-signed drivers that attackers are using maliciously in the wild. Talos recently discovered an attack that focuses on drivers certified by Microsoft’s Windows Hardware Developer Program (MWHDP) being used maliciously in post-exploitation activity. Mi
2023-07-11
Published