CVE-2026-72987
HIGHCVSS 8.1/10EPSS 0.71%
Last modified
CVE-2026-72987 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.
Description
Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1607 | < 10.0.14393.9512 |
| Microsoft | Windows 10 1809 | < 10.0.17763.9245 |
| Microsoft | Windows Server 2012 | All versions |
| Microsoft | Windows Server 2012 | r2 |
| Microsoft | Windows Server 2016 | < 10.0.14393.9512 |
| Microsoft | Windows Server 2019 | < 10.0.17763.9245 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5622 |
| Microsoft | Windows Server 2025 | < 10.0.26100.33438 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72987Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-72987?
Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
How severe is CVE-2026-72987?
CVE-2026-72987 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.
How do I fix CVE-2026-72987?
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
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-72981Use after free in IP Helper allows an unauthorized attacker …8.1
- CVE-2026-72982Stack-based buffer overflow in Windows Netlogon allows an un…9.8
- CVE-2026-72983Use after free in Windows Internet Connection Sharing (ICS) …9.8
- CVE-2026-72984Access of resource using incompatible type ('type confusion'…8.8
- CVE-2026-72985Heap-based buffer overflow in Windows Volume Shadow Copy all…6.8
- CVE-2026-72986Heap-based buffer overflow in Graphic Fonts allows an unauth…8.8
- CVE-2026-72988Heap-based buffer overflow in Windows Biometric Service allo…7.8
- CVE-2026-72989Use of uninitialized resource in Windows Failover Cluster al…7.5
- CVE-2026-7299Appsmith’s SQL query editor’s autocomplete functionality fai…5.4
- CVE-2026-72990Heap-based buffer overflow in Windows Biometric Service allo…7.8
- CVE-2026-72991Heap-based buffer overflow in Windows Biometric Service allo…7.8
- CVE-2026-72992Heap-based buffer overflow in Windows Biometric Service allo…7.8
Are you affected by CVE-2026-72987?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST