CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
96.9%
This security update resolves a Microsoft SharePoint spoofing vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2021-24104.
**Note:**To apply this security update, you must have the release version of Microsoft SharePoint Server 2019 installed on the computer.
This update removes the Document and List Static Data Fixed Sample****Job timer job from SharePoint Server. This timer job is intended for SharePoint Online use only. Therefore, it should not be included in SharePoint Server.
**Note:**To fix this issue, you have to install KB 4493230 together with this update.
This security update also contains fixes for the following nonsecurity issues in SharePoint Server 2019. To fix these issues, you have to install KB 4493230 together with this update.
IssueAfter you install this update, you can no longer delete list item attachments in the item detail panel.StatusMicrosoft is investigating this issue and will post more information in this article when a fix becomes available.WorkaroundTo work around this issue, see KB 5003294.
This update is available from Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ.
To get the standalone package for this update, go to the Microsoft Update Catalog website.
You can get the standalone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.
For deployment information about this update, see Security update deployment information: March 9, 2021 (KB5001208).
This security update replaces previously released security update 4493161.
File name | SHA1 hash | SHA256 hash |
---|---|---|
wssloc2019-kb4493231-fullfile-x64-glb.exe | 0DF0F64CF6B9A229195118BD2FF19FDAEA2BB484 | 9581ED719BAF52A19D23038290A5F32EAFD0D70FD5C20E8F260C85864879F691 |
Download the list of files that are included in security update 4493231.
Protect yourself online: Windows Security supportLearn how we guard against cyber threats: Microsoft Security
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
96.9%