Microsoft Exchange Server Elevation of Privilege Vulnerability
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.8%
exploitation probability
0.8%top 48% of all CVEs
observed exploitation
nono source reports it
In short
Microsoft Exchange Server has weak authentication that allows someone with legitimate access to gain higher privileges on the system. This is serious because it lets an insider or compromised account take control of the entire email server.
Technical detail
An authenticated attacker can exploit weak authentication mechanisms in Microsoft Exchange Server to escalate privileges remotely. The vulnerability requires prior authentication access and enables complete compromise of the Exchange Server infrastructure.
Summary generated and translated by AI from the official description.
Weak authentication in Microsoft Exchange Server allows an authorized 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