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CVE-2024-38197 is a spoofing vulnerability in Microsoft Teams for iOS that allows an attacker to alter the apparent sender name of a Teams message. The issue affects the integrity of identity presentation within the client, enabling messages or notifications to appear as though they originated from a trusted user rather than the actual sender. Available reporting associates the flaw with broader Teams impersonation and trust-boundary weaknesses that can be abused in collaboration workflows for deceptive communications and social engineering.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Microsoft Teams vulnerability tracked as CVE-2024-38197 that allowed manipulation of Teams trust mechanisms, including editing messages without the visible edited marker, spoofing notifications, altering displayed chat names, and forging display names in call notifications for impersonation and conversation tampering.
A medium-severity spoofing vulnerability in Microsoft Teams for iOS that allows alteration of the apparent sender name in Teams messages, enabling impersonation and social engineering attacks.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.