CVE-2026-108451
published 2026-10-15CVE-2026-108451: Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
PriorityP353high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.43%
36.5th percentile
Numeric truncation error 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 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
ghsa_unreviewed·2026-10-15
CVE-2026-108451 [HIGH] CWE-122 Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
VulDB
Microsoft Office improper authorization
vuldb·2026-10-15·CVSS 8.8
CVE-2026-108451 [HIGH] Microsoft Office improper authorization
A vulnerability labeled as critical has been found in Microsoft Office. This affects an unknown function. Executing a manipulation can lead to improper authorization.
The identification of this vulnerability is CVE-2026-108451. The attack may be launched remotely. There is no exploit available.
It is best practice to apply a patch to resolve this issue.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-10-15
Published