CVE-2023-35311

Microsoft Outlook Security Feature Bypass Vulnerability

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

16% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-25)

CISA KEV

listed 2023-07-11, due 2023-08-01

CWE

CWE-367

Published

2023-07-11

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:365_apps
• microsoft:office_2019
• microsoft:office_2021
• microsoft:outlook

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35311
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35311
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-35311

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