What is CVE-2024-21448?

CVE-2024-21448 is a medium-severity vulnerability in Microsoft Teams For Android, classified under Improper Input Validation. CVSS score: 5.0/10. Published 2024-03-12.

How severe is CVE-2024-21448?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Is CVE-2024-21448 known to be exploited?

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

Improper input validation in Microsoft Teams For Android

CVE-2024-21448

Microsoft Teams for Android Information Disclosure Vulnerability

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2024-03-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (69.0th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Microsoft Teams For Android — versions 1.0.0
Microsoft Teams

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21448 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2024-21448?: CVE-2024-21448 is a medium-severity vulnerability in Microsoft Teams For Android, classified under Improper Input Validation. CVSS score: 5.0/10. Published 2024-03-12.
How severe is CVE-2024-21448?: Medium severity. CVSS v3 base score is 5.0 out of 10.
Is CVE-2024-21448 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.