KB5002887: what it fixes and who gets it
KB5002887 is a security update from Microsoft's July 2026 release for Microsoft Office 2016 (32-bit edition), Microsoft Office 2016 (64-bit edition).
Microsoft data read
Should you install it?
Yes. It closes holes Microsoft rates Critical, the most serious rating it uses. 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 KB5002887
| CVE | Type | CVSS | Severity |
|---|---|---|---|
| CVE-2026-55045Microsoft Office Remote Code Execution Vulnerability | Remote Code Execution | 8.4 | Critical |
| CVE-2026-50314Microsoft Office Remote Code Execution Vulnerability | Remote Code Execution | 7.8 | Critical |
| CVE-2026-50467Microsoft Office Remote Code Execution Vulnerability | Remote Code Execution | 7.8 | Critical |
| CVE-2026-55018Microsoft Office Remote Code Execution Vulnerability | Remote Code Execution | 7.8 | Critical |
| CVE-2026-55022Microsoft Office Remote Code Execution Vulnerability | Remote Code Execution | 7.8 | Critical |
| CVE-2026-55056Microsoft Office Remote Code Execution Vulnerability | Remote Code Execution | 7.8 | Critical |
| CVE-2026-55129Microsoft Office Remote Code Execution Vulnerability | Remote Code Execution | 7.8 | Critical |
| CVE-2026-50301Microsoft Office Remote Code Execution Vulnerability | Remote Code Execution | 7.8 | Important |
| CVE-2026-50665Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 7.8 | Important |
| CVE-2026-55125Microsoft Office Remote Code Execution Vulnerability | Remote Code Execution | 7.8 | Important |
| CVE-2026-56193Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 7.1 | Important |
| CVE-2026-55026Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 6.2 | Important |
| CVE-2026-55023Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 5.5 | Important |
| CVE-2026-55027Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 5.5 | Important |
| CVE-2026-55028Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 5.5 | Important |
| CVE-2026-55035Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 5.5 | Important |
| CVE-2026-55042Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 5.5 | Important |
| CVE-2026-55047Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 5.5 | Important |
| CVE-2026-55057Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 5.5 | Important |
| CVE-2026-55121Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 5.5 | Important |
| CVE-2026-55139Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 5.5 | Important |
| CVE-2026-56192Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 5.5 | Important |
| CVE-2026-56195Microsoft Office Information Disclosure Vulnerability | Information Disclosure | 5.5 | Important |
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