CVE-2025-53783

moderate-risk
Published 2025-08-12

Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.

Do I need to act?

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0.08% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / HIGH complexity

Affected Products (8)

Dynamics 365 Guides
Dynamics 365 Remote Assist
Teams Panels
Teams Phones

Affected Vendors

Microsoft

References (1)

Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-53783
36
/ 100
moderate-risk
Severity 22/34 · High
Exploitability 0/34 · Minimal
Exposure 14/34 · Moderate