CVE-2026-44822— Microsoft Excel Information Disclosure Vulnerability

Quick assessment

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Affected

Microsoft Microsoft 365 Apps for Enterprise

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 Office Excel是美国微软（Microsoft）开源的一款电子表格软件。 Microsoft Office Excel存在缓冲区错误漏洞。攻击者利用该漏洞可以获取敏感信息。以下产品和版本受到影响：Microsoft Office LTSC for Mac 2021,Microsoft Office LTSC 2021 for 64-bit editions,Microsoft Office LTSC 2021 for 32-bit editions,Microsoft Offi

CVE-2026-44822 affects Microsoft Microsoft 365 Apps for Enterprise. No confirmed in-the-wild exploitation; assess based on exposure. Microsoft Office Excel是美国微软（Microsoft）开源的一款电子表格软件。 Microsoft Office Excel存在缓冲区错误漏洞。攻击者利用该漏洞可以获取敏感信息。以下产品和版本受到影响：Microsoft Office LTSC for Mac 2021,Microsoft Office LTSC 2021 for 64 CVE-2026-44822 vulnerability details, Shenlong CVE Platform, https://cve.imfht.com/detail/CVE-2026-44822

I. Basic Information for CVE-2026-44822

Affected Products

II. Public POCs for CVE-2026-44822

III. Intelligence Information for CVE-2026-44822

Vendor Advisories for CVE-2026-44822 (1)

• 🔗 CVE-2026-44822 - Security Update Guide - Microsoft - Microsoft Excel Information Disclosure Vulnerability vendor-advisory patch

• https://www.cve.org/CVERecord?id=CVE-2026-44822

Same Patch Batch · Microsoft · 2026-06-09 · 200 CVEs total

Showing top 20 of 200 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

V. Comments for CVE-2026-44822