CVE-2025-33051

HIGH

Published Aug 12, 2025 Modified Sep 3, 2025 CWE-200

Description

Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
microsoft	exchange_server	< 15.02.2562.020
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All
microsoft	exchange_server	All

References

Advisories & Patches

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33051

Frequently Asked Questions

What is CVE-2025-33051? +

Exposure of sensitive information to an unauthorized actor in Microsoft Exchange Server allows an unauthorized attacker to disclose information over a network. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-33051? +

CVE-2025-33051 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-33051? +

CVE-2025-33051 affects products from microsoft, specifically: exchange_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-33051? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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