Vulnerability details
CVE-2026-53413
Zoom Communications Zoom Clients
Zoom Clients - Buffer Over-write
CVSS 3.1
8.3High
Official description
Missing bounds check in the annotator function of Zoom Clients allows buffer over-write, which may allow a meeting participant to achieve remote code execution of another participant via network access.
Related news
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.3High | 3.1 | CVEProject cvelistV5 (CNA) (Zoom) | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Zoom Communications | Zoom Clients | see references | CVEProject cvelistV5 (CNA) |
References and advisories
1
Kolun on Telegram @kolunsec
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Details
- Published
- 2026-08-11
- Last updated
- 2026-08-12
- State
- Published
- Assigner (CNA)
- Zoom
- Kolun priority
- 23 · Low
Exploit prediction (EPSS)
0.49%
Probability of exploitation in 30 days
43%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-787Out-of-bounds write