CVE-2026-108442
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Published Oct 15, 2026 · updated Oct 16, 2026 · Microsoft Microsoft 365
Affected Microsoft products: Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions, Microsoft Office LTSC for Mac 2024, Microsoft Office LTSC 2021 for 64-bit editions, Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2021.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 15, 2026 · NIST NVD
Detected
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Oct 16, 2026 · NIST NVD
Updated
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected
- microsoft Microsoft Office 365 for Macversion unspecified
- microsoft Microsoft Office LTSC 2021 for 32-bit editionsversion unspecified
- microsoft Microsoft Office LTSC 2021 for 64-bit editionsversion unspecified
- microsoft Microsoft Office LTSC 2024 for 32-bit editionsversion unspecified
- microsoft Microsoft Office LTSC 2024 for 64-bit editionsversion unspecified
- microsoft Microsoft Office LTSC for Mac 2021version unspecified
- microsoft Microsoft Office LTSC for Mac 2024version unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-108442
Official CVE identifier
cve.org - Microsoft Security Update GuideVendor advisoryCVE-2026-108442
Microsoft Office LTSC 2021 for 32-bit editions, Microsoft Office LTSC 2024 for 64-bit editions, Microsoft Office LTSC 2024 for 32-bit editions, Microsoft Office LTSC for Mac 2024
msrc.microsoft.com - NIST NVDVulnerability recordCVE-2026-108442
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
nvd.nist.gov