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KB5002886: what it fixes and who gets it

KB5002886 is a security update from Microsoft's July 2026 release for Microsoft Excel 2016 (32-bit edition), Microsoft Excel 2016 (64-bit edition).

Microsoft data read
32CVEs fixed
0rated Critical
0already exploited
Norestart required

Should you install it?

Yes. It is a routine security update; none of its fixes are rated Critical or reported as exploited. Windows Update installs it automatically on supported home PCs.

If the installation fails or the PC misbehaves afterwards, note the exact error code first: the fix depends on it. Our update troubleshooting guides are linked on this page.

Security fixes in KB5002886

CVETypeCVSSSeverity
CVE-2026-62870Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution8.8Important
CVE-2026-50675Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55024Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55025Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55029Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55031Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55036Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55037Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55039Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55041Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55044Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55048Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55053Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55058Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55131Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55136Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55137Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55141Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55899Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55947Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55948Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55949Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-58618Microsoft Excel Remote Code Execution VulnerabilityRemote Code Execution7.8Important
CVE-2026-55122Microsoft Excel Information Disclosure VulnerabilityInformation Disclosure7.1Important
CVE-2026-50678Microsoft Excel Information Disclosure VulnerabilityInformation Disclosure6.6Important
CVE-2026-55054Microsoft Excel Information Disclosure VulnerabilityInformation Disclosure6.5Important
CVE-2026-54988Microsoft Excel Information Disclosure VulnerabilityInformation Disclosure6.1Important
CVE-2026-55898Microsoft Excel Information Disclosure VulnerabilityInformation Disclosure6.1Important
CVE-2026-48580Microsoft Excel Information Disclosure VulnerabilityInformation Disclosure5.5Important
CVE-2026-50408Microsoft Excel Information Disclosure VulnerabilityInformation Disclosure5.5Important
CVE-2026-55046Microsoft Excel Information Disclosure VulnerabilityInformation Disclosure5.5Important
CVE-2026-55138Microsoft Excel Information Disclosure VulnerabilityInformation Disclosure5.5Important

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