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CVE-2025-53783

29
FAUCET Score

CVE-2025-53783 is a high-severity heap-based buffer overflow vulnerability in Microsoft Teams and related Dynamics 365 products, allowing an unauthorized attacker to execute code over a network. Exploitation requires user interaction and has a CVSS score of 7.5, indicating high impact on confidentiality, integrity, and availability. While not currently in the KEV catalog or actively exploited, its mention in a BleepingComputer article and community discussions suggest awareness, though no public exploit code is available.

Impacted Technologies

VendorProductVersion(s)CPE
< 907.2505.29001.0CPE matchmatch criteria
cpe:2.3:a:microsoft:dynamics_365_guides:*:*:*:*:*:hololens:*:*
< 316.2505.28001CPE matchmatch criteria
cpe:2.3:a:microsoft:dynamics_365_remote_assist:*:*:*:*:*:hololens:*:*
< 1.0.0.2025102802CPE matchmatch criteria
cpe:2.3:a:microsoft:teams:*:*:*:*:*:android:*:*
< 7.10.1CPE matchmatch criteria
cpe:2.3:a:microsoft:teams:*:*:*:*:*:iphone_os:*:*
< 25122.1207.3700.1444CPE matchmatch criteria
cpe:2.3:a:microsoft:teams:*:*:*:*:*:macos:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0078 is in the 42nd percentile among its peer group of 1,572 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.4 Bluesky, 0.2 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.6 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

microsoftpatch availablevia msrc
Product: Microsoft Teams for Mac, New EditionFixed in: 25122.1207.3700.1444
microsoftpatch availablevia msrc
Product: Teams PanelsFixed in: 1449/1.0.97.2025102203
microsoftpatch availablevia msrc
Product: Teams PhonesFixed in: 1449/1.0.94.2025168802
microsoftpatch availablevia msrc
Product: Teams for D365 Guides HololensFixed in: 907.2505.29001.0
microsoftpatch availablevia msrc
Product: Teams for D365 Remote Assist HoloLensFixed in: 316.2505.28001
microsoftpatch availablevia msrc
Product: Microsoft Teams for AndroidFixed in: 1416/1.0.0.2025102802
View patch
microsoftpatch availablevia msrc
Product: Microsoft Teams for iOSFixed in: 7.10.1 (100772025102901)
View patch
microsoftpatch availablevia msrc
Product: Microsoft Teams for DesktopFixed in: 25122.1415.3698.6812
View patch
microsoftvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2025-Aug/CVE-2025-53783Important

Microsoft Teams Remote Code Execution Vulnerability

Aug 12, 2025

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2025-53783
Vendor Advisory