CVE-2026

Api.Msrc.Microsoft • June 19, 2026

Microsoft is announcing the availability of the security updates for Microsoft Office for Mac. Customers running affected Mac software should install the update for their product to be protected from this vulnerability. Customers running other Microsoft Office software do not need to take any action. See the [Release Notes]( for more information and download links.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Multiple CVEs for Microsoft Office on Mac and Android Released On June 19, 2026, Microsoft announced security updates for multiple vulnerabilities (CVE-2026) affecting Microsoft Office for Mac and Android. Customers using affected versions of Microsoft Office for Mac and Android are urged to install these updates to mitigate risks associated with these vulnerabilities. The vulnerabilities could potentially allow unauthorized access or exploitation of user data. Specific CVEs include CVE-2026-45486, CVE-2026-45458, and others, all requiring immediate action from users. The updates address critical flaws that could impact a significant number of users across platforms. Microsoft emphasizes that users of other Office software do not need to take action. The updates are available through the Microsoft Security Response Center. 36 sources 61

CVE-2026

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