CVE-2017-11826Actively exploitedAdded to KEV 2022-03-03

Microsoft Office Remote Code Execution Vulnerability

Microsoft, Office

Description

A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user.

CVSS severity for this advisory hasn't been enriched from NVD yet, check back shortly.

EPSS, exploit probability

Critical

81.3%

estimated chance of real-world exploitation in the next 30 days, higher than 99.6% of every CVE FIRST.org scores

Refreshed 10/28/2026, via FIRST.org's EPSS model, not CVSS, this measures likelihood of exploitation, not how severe it would be.

Required action

Apply updates per vendor instructions.

CISA-recommended due date: 2022-03-24

CWE-119

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