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01 Record

CVE-2022-24477

Microsoft Exchange Server Elevation of Privilege Vulnerability

HighPUBLISHEDCNA: microsoft
CNA base score8.0 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

02 Description

Microsoft Exchange Server Elevation of Privilege Vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
2.30% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 83.2% of scored records. A rank, not a probability.
NVD base score
8.0 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-08-09 19:47Z4 YR AGO
Last updated
2025-01-02 19:34Z1 YR AGO
Reserved
2022-02-05
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
High (CVSS 8.0)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Weaknesses
No CWE assigned
Data version
5.1
Document digest
da1c09cbb785e3bcde4d69059dade1fc0516eb0c5d218fd07e1196e4d1bb2b9c

05 Affected products

VendorProductVersionsPlatforms
MicrosoftMicrosoft Exchange Server 2013 Cumulative Update 2315.00.0 to < 15.00.1497.042x64-based Systems
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 2215.0.0 to < 15.01.2375.032x64-based Systems
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 1115.02.0 to < 15.02.0986.030x64-based Systems
MicrosoftMicrosoft Exchange Server 2019 Cumulative Update 1215.02.0 to < 15.02.1118.015x64-based Systems
MicrosoftMicrosoft Exchange Server 2016 Cumulative Update 2315.01.0 to < 15.01.2507.013x64-based Systems

06 References