CVE-2026-65801
CRITICALCVSS 10/10EPSS 0.52%
Last modified
CVE-2026-65801 is a critical-severity vulnerability rated 10/10 on the CVSS scale. Server-side request forgery (ssrf) in Microsoft Exchange Online allows an unauthorized attacker to elevate privileges over a network.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.
Description
Server-side request forgery (ssrf) in Microsoft Exchange Online allows an unauthorized attacker to elevate privileges over a network.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Exchange Online | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-65801?
Server-side request forgery (ssrf) in Microsoft Exchange Online allows an unauthorized attacker to elevate privileges over a network.
How severe is CVE-2026-65801?
CVE-2026-65801 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.
How do I fix CVE-2026-65801?
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
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Are you affected by CVE-2026-65801?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST