CVE-2023-23397
CriticalActively exploited (CISA KEV)
Description
Microsoft Outlook Elevation of Privilege Vulnerability
SeverityCritical
CVSS9.8
Exploit probability—
Product
Microsoft Office
PublishedMar 14, 2023
First seenMar 14, 2023
Added to KEVMar 14, 2023
Weakness typeCWE-20Improper input validation
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Apr 4, 2023Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft outlook | 2013, 2016 | — |
| microsoft 365_apps | No range specified | — |
| microsoft office | 2019 | — |
| microsoft office_long_term_servicing_channel | 2021 | — |
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