CVE-2026-53413

highpriority · track · 10EPSS 0.005 · 42 %ileexploit · PoCDEEUNLRU
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · PoC
Likely / severe?
0.49% (42nd) EPSS
CVSS 8.3 · high
Is it mine?
25 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

8.3
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.3highAV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.18.3highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · ENISA EU
v3.18.3highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · security@zoom.usexploitability 1.6 · impact 6
v3.17.9highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)
v3.18.3highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · NCSC-NL NL
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

exploits (1)

Public proof-of-concept and weaponised exploit code.

05

affected products (25)

Products and version ranges known to be affected.

06

advisories (2)

Vendor and ecosystem advisories describing this.

  • NCSC-2026-0293Kwetsbaarheden verholpen in ZoomNL2026-08-12csaf · ncsc_nlNL

    Zoom heeft kwetsbaarheden verholpen in Zoom Clients en Zoom VDI Client software.

  • WID-SEC-W-2026-2763Zoom Video Communications Workplace und Rooms: Mehrere SchwachstellenDeutsch2026-08-11csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Zoom Video Communications Workplace und Rooms ausnutzen, um beliebigen Programmcode auszuführen, vertrauliche Daten offenzulegen oder einen Denial-of-Service-Zustand auszulösen.

07

also known as (4)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

09

references (3)

External citations — patches, advisories, analysis.

scry

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