# September 2026 Patch Tuesday: Two Exploited Zero-Days and 113 Critical Vulnerabilities Among 972 CVEs

DevFeed: [September 2026 Patch Tuesday: Two Exploited Zero-Days and 113 Critical Vulnerabilities Among 972 CVEs](<https://devfeed.tech/articles/september-2026-patch-tuesday-two-exploited-zero-days-and-113-critical-vulnerabilities-among-972-cves-8309.md>)

Original publisher: [Read original article](<https://www.crowdstrike.com/en-us/blog/patch-tuesday-analysis-september-2026/>)

Author: Falcon Exposure Management Team

Published: 2026-09-12T11:17:51.295154Z

Content type: news

Language: en

Sources: [Blog](<https://devfeed.tech/sources/blog.md>)

Topics: [Vulnerabilities](<https://devfeed.tech/topics/vulnerabilities.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [analysis](<https://devfeed.tech/tags/analysis.md>), [defender](<https://devfeed.tech/tags/defender.md>), [exposure-management](<https://devfeed.tech/tags/exposure-management.md>), [microsoft](<https://devfeed.tech/tags/microsoft.md>), [patch-tuesday](<https://devfeed.tech/tags/patch-tuesday.md>), [security](<https://devfeed.tech/tags/security.md>), [september-2026](<https://devfeed.tech/tags/september-2026.md>), [updates](<https://devfeed.tech/tags/updates.md>), [vulnerabilities](<https://devfeed.tech/tags/vulnerabilities.md>)

## AI overview

Microsoft's September 2026 Patch Tuesday addresses 972 vulnerabilities, including two exploited zero-days and 113 critical issues. The article also notes a disclosed proof-of-concept zero-day exploit against Microsoft Defender.

## Source excerpt

Microsoft has released security updates for 972 vulnerabilities, including two exploited zero-days and 113 critical, in its September 2026 Patch Tuesday rollout.