CVE-2023-33140

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

1.64% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 76.0% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-06-13 23:26Z3 YR AGO

Last updated

2025-03-19 19:54Z1 YR AGO

Reserved

2023-05-17

Assigning CNA

microsoft

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-290Authentication Bypass by SpoofingBase

Data version

5.1

Document digest

a8854255a63414a629a946814bac0485e726138aa3a104df17f418eb6ab6baf9

• msrc.microsoft.comMicrosoft OneNote Spoofing Vulnerabilityhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33140vendor-advisory
• github.comhttps://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.txt