How severe is CVE-2021-24114?

CVE-2021-24114 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-24114 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24114?

CVE-2021-24114 affects Microsoft Teams. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24114?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-24114 published?

CVE-2021-24114 was published on 2021-02-25 and last updated on 2026-06-17.

CVE-2021-24114

CVE-2021-24114 is a medium-severity vulnerability in Microsoft Teams with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
CVSS v2: 3.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Teams
Published: 2021-02-25
Last modified: 2026-06-17

Description

Microsoft Teams iOS Information Disclosure Vulnerability

Frequently asked questions

What is CVE-2021-24114?: Microsoft Teams iOS Information Disclosure Vulnerability
How severe is CVE-2021-24114?: CVE-2021-24114 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-24114 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24114?: CVE-2021-24114 affects Microsoft Teams. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24114?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24114 published?: CVE-2021-24114 was published on 2021-02-25 and last updated on 2026-06-17.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24114

Affected products (1)

cpe:2.3:a:microsoft:teams:-:*:*:*:*:iphone_os:*:*

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