Vulnerability in Microsoft 365 Apps

CVE-2020-1581

An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) components handle objects in memory. An attacker who successfully exploited the vulnerability could elevate privileges. The attacker would need to already have the ability to execute code on the system. An attacker could exploit this vulnerability by running a specially crafted application on the victim system. The security update addresses the vulnerability by correcting how Microsoft Office Click-to-Run (C2R) components handle objects in memory.

EPSS: 0.037 (88.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

References

Frequently asked questions

What is CVE-2020-1581?
CVE-2020-1581 is a high-severity vulnerability in Microsoft 365 Apps. CVSS score: 7.8/10. Published 2020-08-17.
How severe is CVE-2020-1581?
High severity. CVSS v3 base score is 7.8 out of 10.