Patch tracker / KB5002897

KB5002897: Microsoft Office 2016 Security Update (August 2026)

KB5002897 is a High security update for Microsoft Office 2016, released 2026-08-11. It closes 12 CVEs with a maximum CVSS of 7.8. It is the 22nd largest of the 65 updates Microsoft shipped that month, by CVEs closed.

Update summary

High
2026-08-11
Released
12
CVEs fixed
7.8
Max CVSS v3
High
Severity
Deploy this cycle
Fixes 12 CVEs for Microsoft Office 2016. No confirmed in-the-wild exploitation in this set today.

Fixes 12 CVEs. Most severe CVSS 7.8 (High). EPSS exploit probability up to <1%. Among the lower half of tracked Microsoft updates by EPSS exploit probability.

Senserva found thiswe track every release for this product line, so we can tell you this package is behind

A newer security update for Microsoft Office 2016 (32-bit edition) has shipped since this one: KB4011160 (2026-09-08). For cumulative update families the newer package includes these fixes, so installing that one is usually the shorter path. Verify against your own update rings before you skip this package.

Senserva found thisno known issues as of our last check

We checked Microsoft's support article for KB5002897 on 2026-10-06 and it lists no known issues. Read the article before broad deployment; Microsoft adds issues as reports come in, and we re-check on every refresh.

Microsoft Update Catalog: download KB5002897Microsoft support article
Senserva AI Opinion and rich prompt for KB5002897

Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.

Full tracking and change history for KB5002897

Released
2026-08-11
Last changed
2026-09-26
Changes tracked
3

Senserva began recording day-to-day change history on 2026-07-07, and refreshes it several times a day. Release dates are historical where Microsoft publishes them; revision history is tracked from that date forward, so it does not include changes made before then.

Check if KB5002897 is installed

Elevated PowerShell. No output means it is not installed.

CVEs fixed by this update

Sorted exploited-first, then by CVSS. Every CVE links to its Senserva page with the full risk facts, references, and a ready-to-paste AI prompt.

CVESeverityCVSSEPSSExploited
CVE-2026-63513High7.8<1%No
CVE-2026-63517High7.8<1%No
CVE-2026-63524High7.8<1%No
CVE-2026-63526High7.8<1%No
CVE-2026-63529High7.8<1%No
CVE-2026-63532High7.8<1%No
CVE-2026-63533High7.8<1%No
CVE-2026-64899High7.8<1%No
CVE-2026-64903High7.8<1%No
CVE-2026-64909High7.8<1%No
CVE-2026-65661High7.8<1%No
CVE-2026-70317High7.8<1%No

Scope and sources

Affected products
Also released in August 2026

KB5120228

215 CVEs · Critical · exploited

KB5120229

195 CVEs · Critical · exploited

KB5120233

215 CVEs · Critical · exploited

KB5120238

183 CVEs · Critical · exploited

KB5120240

170 CVEs · Critical · exploited

KB5120242

195 CVEs · Critical · exploited

KB5120385

144 CVEs · Critical · exploited

KB5120386

139 CVEs · Critical · exploited

The full month, summarized: Microsoft Patch Tuesday.

Authoritative references
Official KB5002897 page (Microsoft Support)Microsoft Update CatalogMicrosoft Security Update Guide

See this and every Microsoft update ranked by real-world risk on the Microsoft Patch Tracker.

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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