# KB5002928: October 2026 security update KB5002928, released October 13, 2026, fixes 44 CVEs in Office Online Server. None of them is reported as exploited. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/fix/microsoft/kb5002928 - Platform: Microsoft - Released: Oct 13, 2026 - Priority: Urgent (Closes CVE-2026-105718, rated Critical) - CVEs: 44, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://support.microsoft.com/help/5002928 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Office Online Server](https://patchblox.com/security/data/product/microsoft/office-online-server.md) | | | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2026-105718](https://patchblox.com/security/data/cve/CVE-2026-105718.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0096 | | | [CVE-2026-100210](https://patchblox.com/security/data/cve/CVE-2026-100210.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0093 | | | [CVE-2026-97742](https://patchblox.com/security/data/cve/CVE-2026-97742.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0093 | | | [CVE-2026-97756](https://patchblox.com/security/data/cve/CVE-2026-97756.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0091 | | | [CVE-2026-97739](https://patchblox.com/security/data/cve/CVE-2026-97739.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0082 | | | [CVE-2026-97765](https://patchblox.com/security/data/cve/CVE-2026-97765.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0082 | | | [CVE-2026-97776](https://patchblox.com/security/data/cve/CVE-2026-97776.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0082 | | | [CVE-2026-97780](https://patchblox.com/security/data/cve/CVE-2026-97780.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0082 | | | [CVE-2026-97753](https://patchblox.com/security/data/cve/CVE-2026-97753.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0080 | | | [CVE-2026-97755](https://patchblox.com/security/data/cve/CVE-2026-97755.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0080 | | | [CVE-2026-97767](https://patchblox.com/security/data/cve/CVE-2026-97767.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0060 | | | [CVE-2026-97778](https://patchblox.com/security/data/cve/CVE-2026-97778.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0060 | | | [CVE-2026-97758](https://patchblox.com/security/data/cve/CVE-2026-97758.md) | Urgent | Microsoft Office Excel | 8.8 | 0.0059 | | | [CVE-2026-100212](https://patchblox.com/security/data/cve/CVE-2026-100212.md) | High | Microsoft Office Excel | 8.8 | 0.0091 | | | [CVE-2026-97769](https://patchblox.com/security/data/cve/CVE-2026-97769.md) | High | Microsoft Office Excel | 8.8 | 0.0090 | | | [CVE-2026-97004](https://patchblox.com/security/data/cve/CVE-2026-97004.md) | High | Microsoft Office Excel | 8.8 | 0.0086 | | | [CVE-2026-97007](https://patchblox.com/security/data/cve/CVE-2026-97007.md) | High | Microsoft Office Excel | 8.8 | 0.0086 | | | [CVE-2026-97008](https://patchblox.com/security/data/cve/CVE-2026-97008.md) | High | Microsoft Office Excel | 8.8 | 0.0086 | | | [CVE-2026-97738](https://patchblox.com/security/data/cve/CVE-2026-97738.md) | High | Microsoft Office Excel | 8.8 | 0.0086 | | | [CVE-2026-97746](https://patchblox.com/security/data/cve/CVE-2026-97746.md) | High | Microsoft Office Excel | 8.8 | 0.0086 | | | [CVE-2026-97748](https://patchblox.com/security/data/cve/CVE-2026-97748.md) | High | Microsoft Office Excel | 8.8 | 0.0086 | | | [CVE-2026-97757](https://patchblox.com/security/data/cve/CVE-2026-97757.md) | High | Microsoft Office Excel | 8.8 | 0.0086 | | | [CVE-2026-97762](https://patchblox.com/security/data/cve/CVE-2026-97762.md) | High | Microsoft Office Excel | 8.8 | 0.0086 | | | [CVE-2026-97763](https://patchblox.com/security/data/cve/CVE-2026-97763.md) | High | Microsoft Office Excel | 8.8 | 0.0086 | | | [CVE-2026-97768](https://patchblox.com/security/data/cve/CVE-2026-97768.md) | High | Microsoft Office Excel | 8.8 | 0.0086 | | | [CVE-2026-97010](https://patchblox.com/security/data/cve/CVE-2026-97010.md) | High | Microsoft Office Excel | 8.8 | 0.0084 | | | [CVE-2026-97772](https://patchblox.com/security/data/cve/CVE-2026-97772.md) | High | Microsoft Office Excel | 8.8 | 0.0084 | | | [CVE-2026-97773](https://patchblox.com/security/data/cve/CVE-2026-97773.md) | High | Microsoft Office Excel | 8.8 | 0.0084 | | | [CVE-2026-97775](https://patchblox.com/security/data/cve/CVE-2026-97775.md) | High | Microsoft Office Excel | 8.8 | 0.0084 | | | [CVE-2026-97777](https://patchblox.com/security/data/cve/CVE-2026-97777.md) | High | Microsoft Office Excel | 8.8 | 0.0084 | | | [CVE-2026-97003](https://patchblox.com/security/data/cve/CVE-2026-97003.md) | High | Microsoft Office Excel | 8.8 | 0.0076 | | | [CVE-2026-97017](https://patchblox.com/security/data/cve/CVE-2026-97017.md) | High | Microsoft Office Excel | 8.8 | 0.0076 | | | [CVE-2026-97750](https://patchblox.com/security/data/cve/CVE-2026-97750.md) | High | Microsoft Office Excel | 8.8 | 0.0076 | | | [CVE-2026-97766](https://patchblox.com/security/data/cve/CVE-2026-97766.md) | High | Microsoft Office Excel | 8.8 | 0.0076 | | | [CVE-2026-97747](https://patchblox.com/security/data/cve/CVE-2026-97747.md) | High | Microsoft Office Excel | 8.8 | 0.0074 | | | [CVE-2026-97752](https://patchblox.com/security/data/cve/CVE-2026-97752.md) | High | Microsoft Office Excel | 8.8 | 0.0074 | | | [CVE-2026-97754](https://patchblox.com/security/data/cve/CVE-2026-97754.md) | High | Microsoft Office Excel | 8.8 | 0.0074 | | | [CVE-2026-97770](https://patchblox.com/security/data/cve/CVE-2026-97770.md) | High | Microsoft Office Excel | 8.8 | 0.0074 | | | [CVE-2026-97771](https://patchblox.com/security/data/cve/CVE-2026-97771.md) | High | Microsoft Office Excel | 8.8 | 0.0074 | | | [CVE-2026-108446](https://patchblox.com/security/data/cve/CVE-2026-108446.md) | High | Microsoft Office Excel | 8.8 | 0.0062 | | | [CVE-2026-97751](https://patchblox.com/security/data/cve/CVE-2026-97751.md) | High | Microsoft Office Excel | 8.8 | 0.0054 | | | [CVE-2026-97760](https://patchblox.com/security/data/cve/CVE-2026-97760.md) | Routine | Microsoft Office Excel | 6.5 | 0.0097 | | | [CVE-2026-97779](https://patchblox.com/security/data/cve/CVE-2026-97779.md) | Routine | Microsoft Office Excel | 6.5 | 0.0097 | | | [CVE-2026-97740](https://patchblox.com/security/data/cve/CVE-2026-97740.md) | Routine | Microsoft Office Excel | 6.5 | 0.0086 | | --- Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo