CVE-2026-108438
Use after free in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Published Oct 15, 2026 · updated Oct 16, 2026 · Microsoft Microsoft 365
Affected Microsoft products: Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2024, 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 disclose information over a network.
Oct 16, 2026 · NIST NVD
Updated
Use after free in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Affected
- microsoft Microsoft Office 365 for Macversion unspecified
- microsoft Microsoft Office LTSC for Mac 2021version unspecified
- microsoft Microsoft Office LTSC for Mac 2024version unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-108438
Official CVE identifier
cve.org - Microsoft Security Update GuideVendor advisoryCVE-2026-108438
Microsoft Office 365 for Mac, Microsoft Office LTSC for Mac 2024, Microsoft Office LTSC for Mac 2021
msrc.microsoft.com - NIST NVDVulnerability recordCVE-2026-108438
Use after free in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
nvd.nist.gov