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01 Record

CVE-2026-108450

Microsoft Office Word Remote Code Execution Vulnerability

HighPUBLISHEDCNA: microsoft
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

02 Description

Microsoft Office Word Remote Code Execution Vulnerability

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Not recorded
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-15 20:57Z1 HR AGO
Last updated
2026-10-15 22:20Z12 MIN AGO
Reserved
2026-10-09
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
High (CVSS 8.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Weaknesses
  • CWE-122Heap-based Buffer OverflowVariant
  • CWE-197Numeric Truncation ErrorBase
Data version
5.2
Document digest
6232589c8f0a88c954b8694fc2144f86d427d8cb66a06357b4adcda2b096fbd3

05 Affected products

VendorProductVersionsPlatforms
MicrosoftMicrosoft 365 Apps for Enterprise16.0.1 to < https://aka.ms/OfficeSecurityReleases32-bit Systems, x64-based Systems
MicrosoftMicrosoft Office LTSC 202116.0.1 to < 16.0.14334.2097432-bit Systems, x64-based Systems
MicrosoftMicrosoft Office LTSC 202416.0.0 to < 16.0.17932.2105632-bit Systems, x64-based Systems

06 References