CVE-2023-33140

Name: CVE-2023-33140
Creator: NVD / NIST
Published: 2023-06-14T00:15:12.433+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.65%

Last modified Jun 17, 2026

CVE-2023-33140 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Microsoft OneNote Spoofing Vulnerability. EPSS estimates a 1.65% chance of exploitation in the next 30 days.

Description

Microsoft OneNote Spoofing Vulnerability

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

1.65%

73.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-290

Affected Software

Vendor	Product	Versions
Microsoft	Onenote	All versions

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33140Patch, Vendor Advisory
https://github.com/WlX-33/PoC-for-CVE/blob/main/CVE-2023-33140/Microsoft%20OneNote%20(Version%202305%20Build%2016.0.16501.20074)%2064-bit%20-%20Spoofing%20Vulnerability.txtExploit, Third Party Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33140Patch, Vendor Advisory

Timeline

Published: Jun 14, 2023
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-33140?

Microsoft OneNote Spoofing Vulnerability

How severe is CVE-2023-33140?

CVE-2023-33140 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.65% probability of exploitation in the next 30 days.

How do I fix CVE-2023-33140?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-33140?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST