Recorded 23 Oct 2026 at 09:33 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

CVECISA Known Exploited Vulnerabilities

Microsoft Exchange Server Privilege Escalation Vulnerability

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.

What it said

CVE: CVE-2018-8581
Vendor: Microsoft
Product: Exchange Server
CISA KEV: Listed 3 Mar 2022
Known ransomware use: Yes
Federal remediation due: 17 Mar 2022

Recorded links

Source evidence when recorded

CISA KEV: Complete at observationRead 23 Oct 2026 at 09:33 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

Page history

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete