CVE-2025-53783
What it is
Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.9% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.9% · EPSS, next 30 days
- Weakness
- CWE-122
- Record status
- Analyzed
Affected
- Microsoft Dynamics 365 Guides < 907.2505.29001.0
- Microsoft Dynamics 365 Remote Assist < 316.2505.28001
- Microsoft Teams < 1.0.0.2025102802
- Microsoft Teams < 7.10.1
- Microsoft Teams < 25122.1207.3700.1444
- Microsoft Teams < 25122.1415.3698.6812
- Microsoft Teams Panels < 1.0.97.2025102203
- Microsoft Teams Phones < 1.0.94.2025168802
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2025-53783.md and follow it. Check whether this project is affected by CVE-2025-53783. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
