CVE-2026-70219
MEDIUMCVSS 6.5/10
Last modified
CVE-2026-70219 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network..
Description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | 365 Apps | All versions |
| Microsoft | Office 2021 | All versions |
| Microsoft | Office 2024 | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-70219?
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
How severe is CVE-2026-70219?
CVE-2026-70219 has a CVSS score of 6.5/10 (MEDIUM severity).
How do I fix CVE-2026-70219?
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-2026-70213Origin validation error in Microsoft Power Apps allows an au…8
- CVE-2026-70214Out-of-bounds read in Microsoft Office Excel allows an unaut…5.5
- CVE-2026-70215Use after free in Microsoft Office PowerPoint allows an unau…8.8
- CVE-2026-70216Insufficient granularity of access control in Windows Mobile…5.5
- CVE-2026-70217Improper access control in Microsoft Office SharePoint allow…4.9
- CVE-2026-70218Insufficient granularity of access control in Windows StateR…7.8
- CVE-2026-7022A security vulnerability has been detected in SmythOS sre up…7.3
- CVE-2026-70220Heap-based buffer overflow in Microsoft Office Word allows a…7.8
- CVE-2026-70222Relative path traversal in Windows Shell allows an authorize…7.8
- CVE-2026-70223Use after free in Windows Console Driver allows an authorize…7
- CVE-2026-70225Access of resource using incompatible type ('type confusion'…7.8
- CVE-2026-70227Out-of-bounds read in Windows Device Association Service all…5.5
Are you affected by CVE-2026-70219?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST