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CVE-2026-49169

8.0 · HIGH

Use after free in DNS Server allows an authorized attacker to execute code over a network.

Published Jul 14, 2026microsoftCWE-416EPSS 0.75%

Overview

CVE-2026-49169 is a high-severity vulnerability affecting microsoft windows_server_2025. It was published on July 14, 2026 and has a CVSS 3.1 base score of 8.0 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Use after free in DNS Server allows an authorized attacker to execute code over a network.

Remediation

Check the references section for vendor advisories and patches from microsoft. Update windows_server_2025 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
microsoftwindows_server_2025>= 0, < 10.0.26100.33158Affected

References

Refmsrc.microsoft.com/update-guide/vulnerability/CVE-2026-49169

How CyberStrike helps

Frequently asked questions

What is CVE-2026-49169?

CVE-2026-49169 is a high-severity vulnerability affecting microsoft windows_server_2025. It was published on July 14, 2026 and has a CVSS 3.1 base score of 8.0 (HIGH).

How severe is CVE-2026-49169?

This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-49169?

Check the references section for vendor advisories and patches from microsoft. Update windows_server_2025 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-49169?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-49169 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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