CVE-2026-68843
MEDIUMCVSS 5.5/10
Last modified
CVE-2026-68843 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Use after free in Microsoft Office Word allows an authorized attacker to disclose information locally..
Description
Use after free in Microsoft Office Word allows an authorized attacker to disclose information locally.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 Version 1607 | >= 10.0.14393.0, < 10.0.14393.9512 |
| Microsoft | Windows 10 Version 1809 | >= 10.0.17763.0, < 10.0.17763.9245 |
| Microsoft | Windows 10 Version 21H2 | >= 10.0.19044.0, < 10.0.19044.7725 |
| Microsoft | Windows 10 Version 22H2 | >= 10.0.19045.0, < 10.0.19045.7725 |
| Microsoft | Windows 11 version 23H2 | >= 10.0.22631.0, < 10.0.22631.7582 |
| Microsoft | Windows 11 Version 23H2 | >= 10.0.22631.0, < 10.0.22631.7582 |
| Microsoft | Windows 11 Version 24H2 | >= 10.0.26100.0, < 10.0.26100.9445 |
| Microsoft | Windows 11 Version 25H2 | >= 10.0.26200.0, < 10.0.26200.9445 |
| Microsoft | Windows 11 version 26H1 | >= 10.0.28000.0, < 10.0.28000.2954 |
| Microsoft | Windows Server 2012 | >= 6.2.9200.0, < 6.2.9200.26349 |
| Microsoft | Windows Server 2012 (Server Core installation) | >= 6.2.9200.0, < 6.2.9200.26349 |
| Microsoft | Windows Server 2012 R2 | >= 6.3.9600.0, < 6.3.9600.23397 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | >= 6.3.9600.0, < 6.3.9600.23397 |
| Microsoft | Windows Server 2016 | >= 10.0.14393.0, < 10.0.14393.9512 |
| Microsoft | Windows Server 2016 (Server Core installation) | >= 10.0.14393.0, < 10.0.14393.9512 |
| Microsoft | Windows Server 2019 | >= 10.0.17763.0, < 10.0.17763.9245 |
| Microsoft | Windows Server 2019 (Server Core installation) | >= 10.0.17763.0, < 10.0.17763.9245 |
| Microsoft | Windows Server 2022 | >= 10.0.20348.0, < 10.0.20348.5622 |
| Microsoft | Windows Server 2025 | >= 10.0.26100.0, < 10.0.26100.33438 |
| Microsoft | Windows Server 2025 (Server Core installation) | >= 10.0.26100.0, < 10.0.26100.33438 |
References
Timeline
- Published
- Last Modified
- Status
- Undergoing Analysis
Frequently Asked Questions
What is CVE-2026-68843?
Use after free in Microsoft Office Word allows an authorized attacker to disclose information locally.
How severe is CVE-2026-68843?
CVE-2026-68843 has a CVSS score of 5.5/10 (MEDIUM severity).
How do I fix CVE-2026-68843?
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-2026-68837Use after free in Windows File History Service allows an aut…7
- CVE-2026-68838Stack-based buffer overflow in Windows NTFS allows an author…8
- CVE-2026-68839Heap-based buffer overflow in Windows USB Mass Storage Class…9.8
- CVE-2026-68840Concurrent execution using shared resource with improper syn…7
- CVE-2026-68841Heap-based buffer overflow in Windows NTFS allows an authori…7.8
- CVE-2026-68842Exposure of sensitive system information to an unauthorized …5.5
- CVE-2026-68844Heap-based buffer overflow in Windows Storage Spaces Control…7.8
- CVE-2026-68845Heap-based buffer overflow in Windows Program Compatibility …7.8
- CVE-2026-68846Use after free in Windows Kernel allows an authorized attack…7.1
- CVE-2026-68847Use after free in Windows Connected User Experiences and Tel…7
- CVE-2026-68848Heap-based buffer overflow in Windows Print Spooler Componen…7.8
- CVE-2026-68849Out-of-bounds read in Windows Bluetooth Port Driver allows a…4.7
Are you affected by CVE-2026-68843?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST