KEV · Actively exploited

CVE-2023-23397

CVE-2023-23397 is actively exploited (CISA KEV catalog) : critical severity (CVSS 9.8), 3 tracked apps concerned, none still exposed on their current version.

Severity (CVSS): 9.8
Exploitation: Confirmed
Tracked apps: 3
Still exposed: 0

Published on 2023-03-14

Microsoft Outlook Elevation of Privilege Vulnerability

Attack vector : Network No privileges required No user interaction

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS 97.16% predictive model; CISA confirms active exploitation percentile 99.9%

CISA Known Exploited Vulnerability

Added to KEV: 2023-03-14
Remediation deadline: 2023-04-04
Required action: Apply updates per vendor instructions.
Ransomware: Unknown (not documented by CISA)

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Microsoft Office macOS brew:cask:microsoft-office

Affected - Fixed in - Latest tracked 16.113.26092012 undetermined
Microsoft Outlook macOS com.microsoft.Outlook

Affected - Fixed in - Latest tracked 16.113.26091740 undetermined
Office Windows winget:Microsoft.Office

Affected - Fixed in - Latest tracked - undetermined

Vulnerable CPE configurations (10)

Vendor	Product	Platform	Versions	CPE 2.3 URI
microsoft	office All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office:2019:::::::*
microsoft	office All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office:2019:::::::*
microsoft	office_long_term_servicing_channel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:::::::*
microsoft	office_long_term_servicing_channel All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:::::::*
microsoft	outlook All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:outlook:2013:sp1:::-:::*
microsoft	outlook All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:outlook:2013:sp1:::-:::*
microsoft	outlook All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:outlook:2013:sp1:::rt:::*
microsoft	outlook All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:outlook:2013:sp1:::rt:::*
microsoft	outlook All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:outlook:2016:::::::*
microsoft	outlook All platforms (wildcard)	All platforms (wildcard)	-	cpe:2.3:a:microsoft:outlook:2016:::::::*

View on NVD ↗ CISA KEV catalog ↗ Advisory · msrc.microsoft.com

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