CVE-2023-29328: Microsoft Teams Remote Code Execution Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-08-08 · updated 2026-08-10
Weakness: CWE-416

Description

Microsoft Teams Remote Code Execution Vulnerability

Affected products

Microsoft Teams: before 1.0.0.2023070204; before 1.6.00.17554; before 1.6.00.18681; before 5.12.1 — fixed in 1.0.0.2023070204, 1.6.00.17554, 1.6.00.18681, 5.12.1
Microsoft Teams for Desktop: from 1.0.0 before 1.6.00.18681 — fixed in 1.6.00.18681
Microsoft Teams for Mac: from 1.0.0.0 before 1.6.00.17554 — fixed in 1.6.00.17554
Microsoft Teams: from 1.0.0 before 1.0.0.2023070204 — fixed in 1.0.0.2023070204

How to fix

Upgrade to a fixed version: Microsoft Teams 1.0.0.2023070204, 1.6.00.17554, 1.6.00.18681, 5.12.1; Microsoft Teams for Desktop 1.6.00.18681; Microsoft Teams for Mac 1.6.00.17554; Microsoft Teams 1.0.0.2023070204. Check the vendor advisory for mitigations.

References

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