CVE-2024-38197 | Microsoft Teams for iOS Spoofing Vulnerability

Microsoft Teams for iOS Spoofing Vulnerability

Published: 2024-08-13 Last update: 2024-10-22 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-38197 is rated Moderate Risk (64.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 15.89%, 96th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.80% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-38197

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 11.09% 15.89% +4.80%
2 2026-05-03 7.89% 11.09% +3.20%
3 2026-04-26 — 7.89% —

Full EPSS history (35 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-38197

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 2.5 [email protected]

Weakness enumeration for CVE-2024-38197

Affected software / configurations for CVE-2024-38197

Vendor Product Version Raw CPE
microsoft teams <= 6.19.2 cpe:2.3:a:microsoft:teams:*:*:*:*:*:iphone_os:*:*

References for CVE-2024-38197

cvelogic Threat Intelligence