Office — Cyber Threats, Attacks & Incidents

Threat entity extracted from intelligence sources

Frequency
43
occurrences
First Seen
November 12, 2025
Last Seen
July 22, 2026

Office is the Microsoft Office productivity platform widely deployed in enterprise environments.

Office is a technology platform tracked across 26 threat clusters and 43 intelligence report mentions on ThreatCluster. First observed November 12, 2025; most recent activity July 22, 2026.

Overview

Office is the Microsoft Office productivity platform widely deployed in enterprise environments. The articles emphasize Windows OS security updates, including a zero-day and an actively exploited Windows kernel vulnerability addressed in the November 2025 Patch Tuesday, underscoring the risk to Office deployments and the critical need for timely patching to prevent exploitation through Windows components and associated Office workflows.

Related Threat Clusters

Recent Intelligence Reports

  • The July 2026 Security Update Review — www.zerodayinitiative.com · July 22, 2026
  • Microsoft Readies AI Security Product to Challenge Anthropic's Claude Mitos — Finance.Biggo · July 17, 2026
  • Windows Exploitation 2014 — www.welivesecurity.com · July 16, 2026
  • The July 2026 Security Update Review — Thezdi · July 14, 2026
  • Microsoft Releases June 2026 Patch Tuesday Updates — Petri · June 10, 2026
  • Microsoft Releases Record — Securityaffairs.Co · June 9, 2026
  • Patch Tuesday June 2026: 211 Fixes, Critical CVEs — Absolute · June 9, 2026
  • Patchday Microsoft: Critical DNS Client Gap Threatened Windows — www.heise.de · May 13, 2026

Frequently asked questions

What is Office?

Office is the Microsoft Office productivity platform widely deployed in enterprise environments.

Is Office still active?

The most recent intelligence report mentioning Office on ThreatCluster is dated July 22, 2026. Activity was first observed November 12, 2025, giving a tracked span from then to July 22, 2026.

What is Office associated with?

Across ThreatCluster reporting, Office most frequently co-occurs with Data Breach, DDoS, Denial of Service, Malware, Phishing, among 12 tracked related entities.

What are the latest developments involving Office?

The most significant recent cluster is “FortiWeb WAF Vulnerability Enables Full Admin Control Exploitation” (100 articles · Updated November 15, 2025). Office appears across 26 threat clusters in total, listed above with sources.

How much reporting does ThreatCluster have on Office?

Office appears in 43 intelligence report mentions across 26 deduplicated threat clusters, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown