What is CVE-2024-43482?

CVE-2024-43482 is a medium-severity vulnerability in Microsoft Outlook, classified under Improper Authorization. CVSS score: 6.5/10. Published 2024-09-10.

How severe is CVE-2024-43482?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2024-43482 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Microsoft Outlook

CVE-2024-43482

Microsoft Outlook for iOS Information Disclosure Vulnerability

Published 2024-09-10 · last modified 2026-08-10.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (64.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Microsoft Outlook
Microsoft Outlook For iOS — versions 1.0.0

Weakness classification (CWE)

CWE-285 — Improper Authorization

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43482 (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2024-43482?: CVE-2024-43482 is a medium-severity vulnerability in Microsoft Outlook, classified under Improper Authorization. CVSS score: 6.5/10. Published 2024-09-10.
How severe is CVE-2024-43482?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2024-43482 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.