Vulnerability

CVE-2026-100208

Descriptive record received from OpenCTI and minimised for consultation in the Intel portal.

Sharing: PUBLIC-OSINT
Confidence: 100
Source: The CVE Program
Updated: 26/09/2026 04:15

Description

Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

STIX identifiervulnerability--00131ad7-d02e-582b-82cc-dc7fc21be0c7

First observation-

Last observation-

Known relationships7

Aliases and classifications

CWE-190Integer Overflow or Wraparound

Minimised technical details

No raw data

cisa kev: False
cvss score: 7.5
cvss vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
cvss severity: HIGH

Provenance

Public references

Microsoft Office Outlook Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-100208

EudorIA correlation

Intel catalogue

The vulnerability is also available in the EudorIA editorial catalogue.

Open EudorIA analysis

Presence in OpenCTI describes an intelligence correlation and does not, by itself, constitute evidence of compromise, legal attribution or operational guidance applicable without context verification.