Patch tracker / Products / Microsoft Office 365 for Mac

Microsoft Office 365 for Mac: vulnerabilities and security updates

Every CVE affecting Microsoft Office 365 for Mac and the Microsoft update (KB) that fixes it, ranked by real-world risk. Actively exploited (CISA KEV) first, then EPSS exploit probability, on top of CVSS severity.

CVEs
83
Updates (KBs)
12
Actively exploited (KEV)
0
Critical Severity
1

CVEs affecting Microsoft Office 365 for Mac

CVESeverityCVSSEPSSStatus
CVE-2026-45485Critical9.835%-
CVE-2026-45456High8.435%-
CVE-2026-45458High8.435%-
CVE-2026-44819High7.835%-
CVE-2026-44824High7.835%-
CVE-2026-45471High7.835%-
CVE-2026-45475High7.835%-
CVE-2026-44821Medium5.535%-
CVE-2026-65807High8.80.9%-
CVE-2026-45461High8.40.5%-
CVE-2026-45463High8.40.5%-
CVE-2026-45472High8.40.5%-
CVE-2026-45474High8.40.5%-
CVE-2026-44822High8.20.6%-
CVE-2026-45455High8.20.6%-
CVE-2026-68793High7.80.9%-
CVE-2026-68794High7.80.9%-
CVE-2026-68795High7.80.9%-
CVE-2026-68796High7.80.9%-
CVE-2026-68800High7.80.9%-
CVE-2026-68801High7.80.9%-
CVE-2026-68803High7.80.9%-
CVE-2026-68804High7.80.9%-
CVE-2026-68805High7.80.9%-
CVE-2026-68806High7.80.9%-
CVE-2026-68807High7.80.9%-
CVE-2026-68810High7.80.9%-
CVE-2026-68811High7.80.9%-
CVE-2026-68812High7.80.9%-
CVE-2026-68814High7.80.9%-
CVE-2026-68815High7.80.9%-
CVE-2026-68816High7.80.9%-
CVE-2026-68817High7.80.9%-
CVE-2026-47642High7.80.9%-
CVE-2026-50675High7.80.9%-
CVE-2026-54131High7.80.9%-
CVE-2026-55024High7.80.9%-
CVE-2026-55025High7.80.9%-
CVE-2026-55029High7.80.9%-
CVE-2026-55031High7.80.9%-
CVE-2026-55036High7.80.9%-
CVE-2026-55037High7.80.9%-
CVE-2026-55039High7.80.9%-
CVE-2026-55041High7.80.9%-
CVE-2026-55044High7.80.9%-
CVE-2026-55048High7.80.9%-
CVE-2026-55053High7.80.9%-
CVE-2026-55058High7.80.9%-
CVE-2026-55131High7.80.9%-
CVE-2026-55136High7.80.9%-
CVE-2026-55137High7.80.9%-
CVE-2026-55141High7.80.9%-
CVE-2026-55899High7.80.9%-
CVE-2026-55947High7.80.9%-
CVE-2026-55948High7.80.9%-
CVE-2026-55949High7.80.9%-
CVE-2026-58618High7.80.9%-
CVE-2026-44817High7.80.6%-
CVE-2026-44820High7.80.6%-
CVE-2026-44823High7.80.6%-
CVE-2026-45469High7.80.6%-
CVE-2026-55140High7.80.5%-
CVE-2026-55043High7.80.5%-
CVE-2026-55120High7.80.5%-
CVE-2026-55123High7.80.5%-
CVE-2026-45645High7.80.4%-
CVE-2026-63515High7.80.4%-
CVE-2026-55122High7.10.9%-
CVE-2026-44818High7.00.6%-
CVE-2026-50678Medium6.60.9%-
CVE-2026-70327Medium6.50.9%-
CVE-2026-70328Medium6.50.9%-
CVE-2026-55054Medium6.50.9%-
CVE-2026-54988Medium6.10.9%-
CVE-2026-55898Medium6.10.9%-
CVE-2026-68797Medium5.50.9%-
CVE-2026-68799Medium5.50.9%-
CVE-2026-68802Medium5.50.9%-
CVE-2026-68808Medium5.50.9%-
CVE-2026-48580Medium5.50.9%-
CVE-2026-50408Medium5.50.9%-
CVE-2026-55046Medium5.50.9%-
CVE-2026-55138Medium5.50.9%-

Updates (KBs) for Microsoft Office 365 for Mac

UpdateReleasedSeverityCVSSEPSSCVEsStatus
KB50028842026-08-11High8.80.9%58-
KB50029032026-08-11High8.80.9%25-
KB50028762026-06-09High8.40.5%8-
KB50028782026-06-09High8.40.5%9-
KB50028792026-06-09High8.40.5%3-
KB50028812026-06-09High8.40.5%8-
KB50028752026-06-09High8.20.6%7-
KB50028772026-06-09High8.20.6%7-
KB50028302026-07-14High7.80.5%1-
KB50028672026-07-14High7.80.5%3-
KB50028522026-06-09High7.80.4%1-
KB50029022026-08-11High7.80.4%1-

Ranked across all products on the Microsoft patch tracker and the CVE and vulnerability management reference. Browse every product: product index.

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New to a term on this page? CVE, KB, KEV, CVSS, and EPSS are each explained once, on the Senserva security lexicon. Reference: Microsoft CVE and vulnerability management and the Microsoft patching guide.
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