CVE-2026-96940: high-severity vulnerability in Microsoft Exchange Server 2016 Cumulative…
Microsoft Exchange Server Elevation of Privilege Vulnerability
Published · Updated
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.8epss 0.5%
from disclosure to weapon4 days
Published on NVDOct 2
1st PoC+4d
exploitation probability
0.5%top 59% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
Weak authorization in Microsoft Exchange Server allows an authenticated attacker to elevate privileges over a network.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Exchange Server 2016 Cumulative Update 23Microsoft · Microsoft Exchange Server 2019 Cumulative Update 14Microsoft · Microsoft Exchange Server 2019 Cumulative Update 15Microsoft · Microsoft Exchange Server Subscription Edition RTMpublic PoCs found — 1
githubgithub.com/HORKimhab/CVE-2026-96940★ 1⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Microsoft Exchange Server 2016 Cumulative…
In the same product, most dangerous first.
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