CVE-2026-69827

HIGHCVSS 8.1/10EPSS 0.53%

Last modified

CVE-2026-69827 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Concurrent execution using shared resource with improper synchronization ('race condition') in DNS Server allows an unauthorized attacker to execute code over a network.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in DNS Server allows an unauthorized attacker to execute code over a network.

Metrics

EPSS Probability
0.53%

43.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows Server 2012>= 6.2.9200.0, < 6.2.9200.26349
MicrosoftWindows Server 2012 (Server Core installation)>= 6.2.9200.0, < 6.2.9200.26349
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.23397
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.23397
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5622
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.33438
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.33438

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-69827?
Concurrent execution using shared resource with improper synchronization ('race condition') in DNS Server allows an unauthorized attacker to execute code over a network.
How severe is CVE-2026-69827?
CVE-2026-69827 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2026-69827?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST