CVE-2026-108450
published 2026-10-15CVE-2026-108450: Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
PriorityP355high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.43%
36.5th percentile
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_365_apps_for_enterprise | >= 16.0.1 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_ltsc_2021 | >= 16.0.1 < 16.0.14334.20974 | 16.0.14334.20974 |
| microsoft | microsoft_office_ltsc_2024 | >= 16.0.0 < 16.0.17932.21056 | 16.0.17932.21056 |
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VulDB
Microsoft 365 Apps for Enterprise/Office LTSC heap-based overflow
vuldb·2026-10-15·CVSS 8.8
CVE-2026-108450 [HIGH] Microsoft 365 Apps for Enterprise/Office LTSC heap-based overflow
A vulnerability identified as critical has been detected in Microsoft 365 Apps for Enterprise and Office LTSC. The impacted element is an unknown function. Performing a manipulation results in heap-based buffer overflow.
This vulnerability was named CVE-2026-108450. The attack may be initiated remotely. There is no available exploit.
Applying a patch is the recommended action to fix this issue.
GHSA
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
ghsa_unreviewed·2026-10-15
CVE-2026-108450 [HIGH] CWE-122 Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-10-15
Published