CVE-2021-28456— Microsoft Excel Information Disclosure Vulnerability

Quick assessment

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Affected

Microsoft Microsoft Office 2019

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Excel是美国微软（Microsoft）公司的一款Office套件中的电子表格处理软件。 Microsoft Excel 信息泄露漏洞。以下产品和版本受到影响：Microsoft Excel 2013 Service Pack 1 (32-bit editions),Microsoft Excel 2013 Service Pack 1 (64-bit editions),Microsoft Office Web Apps Server 2013 Service Pack 1,Mic

CVE-2021-28456 affects Microsoft Microsoft Office 2019. No confirmed in-the-wild exploitation; assess based on exposure. Microsoft Excel是美国微软（Microsoft）公司的一款Office套件中的电子表格处理软件。 Microsoft Excel 信息泄露漏洞。以下产品和版本受到影响：Microsoft Excel 2013 Service Pack 1 (32-bit editions),Microsoft Excel 2013 Service Pack 1 CVE-2021-28456 vulnerability details, Shenlong CVE Platform, https://cve.imfht.com/detail/CVE-2021-28456

I. Basic Information for CVE-2021-28456

Affected Products

II. Public POCs for CVE-2021-28456

III. Intelligence Information for CVE-2021-28456

Vendor Advisories for CVE-2021-28456 (1)

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28456 x_refsource_MISC

• https://www.cve.org/CVERecord?id=CVE-2021-28456

Same Patch Batch · Microsoft · 2021-04-13 · 108 CVEs total

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IV. Related Vulnerabilities

V. Comments for CVE-2021-28456