EXPOSURES › CVE-2018-8581
CVE-2018-8581
CRITICAL ⌖ ON CISA KEV · EXPLOITED
DETAIL
⌖ EXPLOITED IN THE WILD
SHAME 80/100
ransomwareexploited-in-wild
Microsoft Exchange Server vulnerabilities allowed attackers to impersonate users, linked to ransomware activity and actively exploited in the wild.
▸ RECOMMENDED ACTION Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.
PLAYERS IMPLICATED
DESCRIPTION
A privilege escalation vulnerability exists in Microsoft Exchange Server. An attacker who successfully exploited this vulnerability could attempt to impersonate any other user of the Exchange server.
SENTIMENT · TRUSTED SOURCES
synthesis
severe-fallout
-0.60
CVE-2018-8581 is a critical privilege escalation flaw in Microsoft Exchange Server allowing user impersonation, widely recognized as a severe security failure with significant fallout for Microsoft's
NVD entry confirms the severity of the vulnerability, highlighting the risk of user impersonation without any praise for Microsoft's handling.
"A privilege escalation vulnerability exists in Microsoft Exchange Server. An attacker who successfully exploited this vulnerability could attempt to impersonate any other user of the Exchange server."
Irrelevant to CVE-2018-8581; discusses a different 2026 Titan analytics vulnerability.
Irrelevant to CVE-2018-8581; provides a general Microsoft CVE list page.
Irrelevant to CVE-2018-8581; provides a general CVE database page.
Irrelevant to CVE-2018-8581; provides a data breach directory.
AFFECTED FEDRAMP PRODUCTS · 4
| PRODUCT | STATUS |
|---|---|
| Azure Commercial Cloud Microsoft |
Authorized |
| Azure Government (includes Dynamics 365) Microsoft |
Authorized |
| Microsoft Office 365 GCC High Microsoft |
In Process |
| Office 365 Multi-Tenant & Supporting Services Microsoft |
Authorized |