CVE-2026-69641
CRITICALCVSS 9.1/10EPSS 0.85%
Last modified
CVE-2026-69641 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.. EPSS estimates a 0.85% chance of exploitation in the next 30 days.
Description
Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Exchange Server | 2016 | Cumulative Update 23 |
| Microsoft | Exchange Server | 2019 | Cumulative Update 14 |
| Microsoft | Exchange Server Subscription Edition | < 15.02.2562.049 | — |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69641Vendor Advisory, Patch
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-69641?
Missing authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
How severe is CVE-2026-69641?
CVE-2026-69641 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.
How do I fix CVE-2026-69641?
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.
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Are you affected by CVE-2026-69641?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST