CVE-2025-53783Microsoft Teams Remote Code Execution Vulnerability
- 7.5HighCVSS base score
- 0.95%Exploitation in 30 daysEPSS · top 38% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Heap-based buffer overflow in Microsoft Teams allows an unauthorized attacker to execute code over a network.
Timeline
ID reserved
By microsoft
- 34 days later
· 34 days later
Published
- 6 months later
· 6 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| NVDNVD · Analyzed | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.95% · top 38% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
Microsoft · Microsoft Teams for Android
- affected 1.0.0 – < 1416/1.0.0.2025102802
Microsoft · Microsoft Teams for Desktop
- affected 1.0.0 – < 25122.1415.3698.6812
Microsoft · Microsoft Teams for iOS
- affected 2.0.0 – < 7.10.1 (100772025102901)
Microsoft · Microsoft Teams for Mac, New Edition
- affected 1.0.0.0 – < 25122.1207.3700.1444
Microsoft · Teams for D365 Guides HoloLens
- affected 907.0000 – < 907.2505.29001.0
Microsoft · Teams for D365 Remote Assist HoloLens
- affected 316.0000 – < 316.2505.28001
- affected 1.0.97 – < 1449/1.0.97.2025102203
- affected 1.0.94 – < 1449/1.0.94.2025168802
References
References1
- Microsoft Teams Remote Code Execution Vulnerability (opens in a new tab)vendor-advisorypatch
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-24283 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-53783)Record last updated .