CVE-2026-96185: high-severity vulnerability in Microsoft Exchange Online
Microsoft Exchange Online Remote Code Execution Vulnerability
Published
18Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5
exploitation probability
—
observed exploitation
nono source reports it
Stack-based buffer overflow in Microsoft Exchange Online allows an authorized attacker to execute code over a network.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Exchange OnlineRelated CVEs — Microsoft Exchange Online
In the same product, most dangerous first.
CVE-2026-48579CRITICALMicrosoft Exchange Online Information Disclosure VulnerabilityEPSS 1.0%CVE-2026-65801CRITICALMicrosoft Exchange Online Elevation of Privilege VulnerabilityEPSS 0.9%CVE-2026-56191CRITICALMicrosoft Exchange Online Tampering VulnerabilityEPSS 0.9%CVE-2026-54998HIGHMicrosoft Exchange Online Elevation of Privilege VulnerabilityEPSS 0.8%CVE-2026-26137CRITICALMicrosoft Exchange Elevation of Privilege VulnerabilityEPSS 0.7%CVE-2026-48582CRITICALMicrosoft Exchange Online Elevation of Privilege VulnerabilityEPSS 0.7%