CVE-2025-49688

HIGH

Published Jul 8, 2025 Modified Jul 15, 2025 CWE-415

Description

Double free in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-415 CWE-415

Affected Products

Vendor	Product	Versions
microsoft	windows_server_2012	All
microsoft	windows_server_2016	< 10.0.14393.8246
microsoft	windows_server_2019	< 10.0.17763.7558
microsoft	windows_server_2022	< 10.0.20348.3932
microsoft	windows_server_2022_23h2	< 10.0.25398.1732
microsoft	windows_server_2025	< 10.0.26100.4652

References

Advisories & Patches

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49688

Frequently Asked Questions

What is CVE-2025-49688? +

Double free in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-49688? +

CVE-2025-49688 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-49688? +

CVE-2025-49688 affects products from microsoft, specifically: windows_server_2012, windows_server_2016, windows_server_2019, windows_server_2022, windows_server_2022_23h2, windows_server_2025. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-49688? +

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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