What is CVE-2023-21714?

CVE-2023-21714 is a medium-severity vulnerability in Microsoft 365 Apps, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2023-02-14.

How severe is CVE-2023-21714?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Out-of-bounds Read in Microsoft 365 Apps

CVE-2023-21714

Microsoft Office Information Disclosure Vulnerability

Vulnerability class: Buffer Overflow

EPSS: 0.006 (45.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Microsoft 365_apps
Microsoft 365 Apps For Enterprise — versions 16.0.1
Microsoft Office Ltsc 2021 — versions 16.0.1
Microsoft Office_long_term_servicing_channel — versions 2021

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read
CWE-668 — Exposure of Resource to Wrong Sphere

References

secure@microsoft.com (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-21714?: CVE-2023-21714 is a medium-severity vulnerability in Microsoft 365 Apps, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2023-02-14.
How severe is CVE-2023-21714?: Medium severity. CVSS v3 base score is 5.5 out of 10.