CVE-2026-84000
HIGHCVSS 7.8/10EPSS 0.29%
Last modified
CVE-2026-84000 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to execute code locally.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to execute code locally.
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 10 21h2 | < 10.0.19044.7725 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.7725 |
| Microsoft | Windows 11 23h2 | < 10.0.22631.7582 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.9445 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.9445 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.2954 |
| 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-2026-84000Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-84000?
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to execute code locally.
How severe is CVE-2026-84000?
CVE-2026-84000 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2026-84000?
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-2026-83995Heap-based buffer overflow in Windows NTFS allows an authori…7.8
- CVE-2026-83996Heap-based buffer overflow in Windows Error Reporting allows…8.8
- CVE-2026-83997Use after free in Windows Message Queuing allows an unauthor…8.1
- CVE-2026-83998Heap-based buffer overflow in Remote Desktop Client allows a…8.8
- CVE-2026-83999Improper link resolution before file access ('link following…7
- CVE-2026-8400IBM WebSphere Application Server 8.5, and 9.0 and IBM WebSph…9.8
- CVE-2026-84001Out-of-bounds read in Windows Key Distribution Center allows…7.5
- CVE-2026-84003Authentication bypass by capture-replay in Microsoft Authent…7.4
- CVE-2026-8401Sandbox escape in the Profile Backup component. This vulnera…9.8
- CVE-2026-8402Improper neutralization of special elements used in an SQL c…9.8
- CVE-2026-84021The Bold Page Builder WordPress plugin before 5.9.8 does not…6.8
- CVE-2026-84022The Bold Page Builder WordPress plugin before 5.9.8 does not…6.8
Are you affected by CVE-2026-84000?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST