CVE-2026-108433: microsoft microsoft 365 apps for enterprise
CVSS: 7.8v3.1HighAwaiting analysis
Published 15-10-2026Last modified 16-10-2026
Vulnerability summary
CVE-2026-108433 is a high (CVSS 7.8) vulnerability in microsoft microsoft 365 apps for enterprise. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.32%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-10-2026PublishedVulnerability first disclosed.
- 16-10-2026Last modifiedVulnerability information updated.
Description
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.32%
Chance of exploitation in the next 30 days
Percentile
23%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
16-10-202618-10-2026
EPSS score0.32%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft6 products
- microsoft 365 apps for enterprise≥ 16.0.1, < https://aka.ms/OfficeSecurityReleases
- microsoft office 365 for mac≥ 1.0.0, < 16.114.26101123
- microsoft office ltsc 2021≥ 16.0.1, < 16.0.14334.20974
- microsoft office ltsc 2024≥ 16.0.0, < 16.0.17932.21056
- microsoft office ltsc for mac 2021≥ 16.0.1, < 16.114.26101123
1 vendor · 6 products