---
id: "CVE-2026-112737"
page: "https://infrastack.ai/live/CVE-2026-112737"
kind: "vulnerability"
aliases: ["CVE-2026-112737"]
title: "Microsoft PowerPoint: use-after-free lets a remote attacker run code"
severity: "high"
cvss: 8.8
epss: null
exploited: false
status: "open"
category: "package"
products: [{"name": "Microsoft Office PowerPoint", "fixed": [], "affected": "", "ecosystem": "vendor"}, {"name": "Microsoft 365 Apps for Enterprise", "fixed": ["2610 20527.20196"], "affected": ">= 16.0.1, < Nov 10 2026 build (see aka.ms/OfficeSecurityReleases)", "ecosystem": "vendor"}, {"name": "Microsoft Office LTSC 2024", "fixed": ["16.0.17932.21140"], "affected": ">= 16.0.0, < 16.0.17932.21140", "ecosystem": "vendor"}, {"name": "Microsoft Office LTSC 2021", "fixed": ["16.0.14334.21048"], "affected": ">= 16.0.1, < 16.0.14334.21048", "ecosystem": "vendor"}, {"name": "Microsoft Office 365 for Mac", "fixed": ["16.115.26110837"], "affected": "< 16.115.26110837", "ecosystem": "vendor"}, {"name": "Microsoft Office LTSC for Mac 2021/2024", "fixed": ["16.115.26110837"], "affected": "< 16.115.26110837", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["macos", "microsoft-365", "microsoft-office", "package", "powerpoint", "user-interaction", "windows"]
not_affected_if: ["auto-update-current", "patched-build"]
published_at: "2026-11-10T19:18:33+00:00"
first_seen_at: "2026-11-10T19:24:31+00:00"
updated_at: "2026-11-11T00:17:12+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112737", "first_seen_at": "2026-11-10T19:24:31+00:00"}, {"source": "analyst", "url": "https://nvd.nist.gov/vuln/detail/cve-2026-112737", "first_seen_at": "2026-11-11T00:17:12+00:00", "cites": ["https://nvd.nist.gov/vuln/detail/cve-2026-112737", "https://learn.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates"]}]
exploit_sources: []
---

# Microsoft PowerPoint: use-after-free lets a remote attacker run code

Link for people: https://infrastack.ai/live/CVE-2026-112737 (this .md is for agents)

Use-after-free (CWE-416) in Microsoft PowerPoint lets an attacker run code on the victim's machine. Microsoft rates it CVSS 8.8 and its vector requires user interaction (the user must open a malicious file or content). Fixed in the November 10, 2026 Office security updates. No exploitation or public PoC found.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:Microsoft Office PowerPoint affected range not listed fixed no fixed version listed
- vendor:Microsoft 365 Apps for Enterprise affected >= 16.0.1, < Nov 10 2026 build (see aka.ms/OfficeSecurityReleases) fixed 2610 20527.20196
- vendor:Microsoft Office LTSC 2024 affected >= 16.0.0, < 16.0.17932.21140 fixed 16.0.17932.21140
- vendor:Microsoft Office LTSC 2021 affected >= 16.0.1, < 16.0.14334.21048 fixed 16.0.14334.21048
- vendor:Microsoft Office 365 for Mac affected < 16.115.26110837 fixed 16.115.26110837
- vendor:Microsoft Office LTSC for Mac 2021/2024 affected < 16.115.26110837 fixed 16.115.26110837

## How to check

In PowerPoint open File > Account > About PowerPoint and compare the build. Fixed: Microsoft 365 Apps/Office 2021/2024 Retail Current Channel 2610 build 20527.20196 or later (Monthly Enterprise 2610: 20527.20194, 2609: 20430.20264, 2608: 20326.20320); Office LTSC 2024 16.0.17932.21140; Office LTSC 2021 16.0.14334.21048; Office/LTSC for Mac 16.115.26110837. Per-channel builds: learn.microsoft.com/officeupdates/microsoft365-apps-security-updates. Also check Office 2019 volume (build 10417.20236 listed in the Nov 10 notes) though Microsoft's CVE record does not list it as affected.

## Fix

Update Office to the November 10, 2026 release: Current Channel 2610 (20527.20196); Office LTSC 2024 16.0.17932.21140; LTSC 2021 16.0.14334.21048; Office for Mac / LTSC for Mac 16.115.26110837. Use Update Now in any Office app or your management tooling.

## Timeline

- 2026-11-10T19:24:31+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112737
- 2026-11-11T00:17:12+00:00 analyst https://nvd.nist.gov/vuln/detail/cve-2026-112737 — Fix builds from Microsoft Learn Nov 10 2026 Office release notes (lists CVE under PowerPoint) and Microsoft CNA affected list via NVD. MSRC page is JS-only and rendered empty, so per-product builds come via NVD; UI:R from Microsoft vector. No exploitation/PoC seen; X not searched (low-profile Patch Tuesday CVE). Fix verified only.

## Documents

- [advisory] NVD CVE-2026-112737 (Microsoft CNA affected list) https://nvd.nist.gov/vuln/detail/cve-2026-112737
- [fix] Release notes for Microsoft Office security updates (Nov 10, 2026 lists CVE-2026-110056 under Word) https://learn.microsoft.com/en-us/officeupdates/microsoft365-apps-security-updates

## From the sources

Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.

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_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_