CVE-2025-33051
published 2025-08-12CVE-2025-33051: Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.
PriorityP345high7.5CVSS 3.1
AVNACLPRNUINSUCHINAN
EPSS
1.21%
65.1th percentile
Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.
Affected
46 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vendor_msrc7.5HIGH
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Microsoft
Microsoft Exchange Server Information Disclosure Vulnerability
vendor_msrc·2025-08-12·CVSS 7.5
CVE-2025-33051 [HIGH] CWE-200 Microsoft Exchange Server Information Disclosure Vulnerability
Microsoft Exchange Server Information Disclosure Vulnerability
Description: Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.
FAQ: What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if an attacker successfully exploited this vulnerability is whether an email address exists on the server or not.
Microsoft Exchange Server: Microsoft Exchange Server
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Information Disclosure
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely
Reference: https://www.microsoft.com/en-us/download/details.aspx?id=108336
Reference:
GHSA
GHSA-g2pc-4mv5-44c7: Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a
ghsa_unreviewed·2025-08-12
CVE-2025-33051 [HIGH] CWE-200 GHSA-g2pc-4mv5-44c7: Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a
Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.
No detection rules found.
No public exploits indexed.
Bleepingcomputer
Microsoft August 2025 Patch Tuesday fixes one zero-day, 107 flaws
blogs_bleepingcomputer·2025-08-12·CVSS 7.2
[HIGH] Microsoft August 2025 Patch Tuesday fixes one zero-day, 107 flaws
## Microsoft August 2025 Patch Tuesday fixes one zero-day, 107 flaws
## Lawrence Abrams
44 Elevation of Privilege Vulnerabilities
35 Remote Code Execution Vulnerabilities
18 Information Disclosure Vulnerabilities
4 Denial of Service Vulnerabilities
9 Spoofing Vulnerabilities
When BleepingComputer reports on the Patch Tuesday security updates, we only count those released on Patch Tuesday. Therefore, the number of flaws does not include Mariner, Azure, and Microsoft Edge bugs fixed earlier this month.
To learn more about the non-security updates released today, you can review our dedicated articles on the Windows 11 KB5063878 & KB5063875 cumulative updates and the Windows 10 KB5063709 cumulative update .
## One publicly disclosed zero-day fixed
This month's Patch Tuesday fixes one
Qualys
Microsoft and Adobe Patch Tuesday, August 2025 Security Update Review | Qualys
blogs_qualys·2025-08-12
Microsoft and Adobe Patch Tuesday, August 2025 Security Update Review | Qualys
#### Table of Contents
- Microsoft Patch Tuesday for August 2025
- Adobe Patches for August 2025
- Zero-day Vulnerability Patched in August Patch Tuesday Edition
- Critical Severity Vulnerabilities Patched in August Patch Tuesday Edition
- Other Microsoft Vulnerability Highlights
- Microsoft Release Summary
- Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
- Rapid Response withPatch Management (PM)
- Microsoft July 2025 Patch Tuesday Mitigations
- Qualys Monthly Webinar Series
It’s the second Tuesday of August, and Microsoft has rolled out its latest security updates. Microsoft’s August 2025 Patch Tuesday has arrived, bringing a fresh wave of security fixes to help organizations stay ahead of evolving threats. Here’s a quick breakdown of wh
Qualys
Microsoft and Adobe Patch Tuesday, August 2025 Security Update Review
blogs_qualys·2025-08-12
Microsoft and Adobe Patch Tuesday, August 2025 Security Update Review
## Table of Contents
Microsoft Patch Tuesday for August 2025
Adobe Patches for August 2025
Zero-day Vulnerability Patched in August Patch Tuesday Edition
Critical Severity Vulnerabilities Patched in August Patch Tuesday Edition
Other Microsoft Vulnerability Highlights
Microsoft Release Summary
Discover and Prioritize Vulnerabilities inVulnerability Management, Detection & Response (VMDR)
Rapid Response withPatch Management (PM)
Microsoft July 2025 Patch Tuesday Mitigations
Qualys Monthly Webinar Series
It’s the second Tuesday of August, and Microsoft has rolled out its latest security updates. Microsoft’s August 2025 Patch Tuesday has arrived, bringing a fresh wave of security fixes to help organizations stay ahead of evolving threats. Here’s a quick breakdown of what you need t
2025-08-12
Published