CVE-2026-83764
MEDIUMCVSS 5.5/10EPSS 0.35%
Last modified
CVE-2026-83764 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Incorrect authorization in Windows Clipboard User Service allows an authorized attacker to disclose information locally.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
Incorrect authorization in Windows Clipboard User Service allows an authorized attacker to disclose information locally.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1809 | < 10.0.17763.9376 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.7807 |
| Microsoft | Windows 10 22h2 | < 10.0.19045.7807 |
| Microsoft | Windows 11 23h2 | < 10.0.22631.7652 |
| Microsoft | Windows 11 24h2 | < 10.0.26100.9711 |
| Microsoft | Windows 11 25h2 | < 10.0.26200.9711 |
| Microsoft | Windows 11 26h1 | < 10.0.28000.3231 |
| Microsoft | Windows 11 26h2 | < 10.0.26300.9711 |
| Microsoft | Windows Server 2019 | < 10.0.17763.9376 |
| Microsoft | Windows Server 2022 | < 10.0.20348.5761 |
| Microsoft | Windows Server 2025 | < 10.0.26100.33650 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83764Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-83764?
Incorrect authorization in Windows Clipboard User Service allows an authorized attacker to disclose information locally.
How severe is CVE-2026-83764?
CVE-2026-83764 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2026-83764?
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
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- 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-2026-83759Improper control of generation of code ('code injection') in…8.8
- CVE-2026-8376Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-R…9.8
- CVE-2026-83760Out-of-bounds read in Microsoft Bluetooth Driver allows an a…5.5
- CVE-2026-83761Use after free in Windows Win32 Kernel Subsystem allows an a…7.8
- CVE-2026-83762Use after free in Windows Win32K allows an authorized attack…7.8
- CVE-2026-83763Access of resource using incompatible type ('type confusion'…7.8
- CVE-2026-83765Out-of-bounds read in Windows DWM Core Library allows an aut…5.5
- CVE-2026-83766Incorrect authorization in Windows Hyper-V allows an authori…4.2
- CVE-2026-83767Stack-based buffer overflow in Windows Installer allows an a…7.8
- CVE-2026-83768Heap-based buffer overflow in Windows Kernel allows an autho…7.8
- CVE-2026-83769Use after free in OpenSSH for Windows allows an authorized a…7.8
- CVE-2026-8377Missing Authorization vulnerability in Armiya Information Te…8.2
Are you affected by CVE-2026-83764?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST