CVE-2026-53415Disclosure

LOWCVSS 8.3 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Use after Free in the annotator function of Zoom Clients may allow a meeting participant to achieve remote code execution of another participant via network access.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 5 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 3 signals
  • Technical details provided in 4 signals
  • Disclosure: 2 classified signals
  • General: 1 classified signal
  • Peaked 2d ago at 2 mentions (2026-08-12); latest day: 1
  • 5 total mentions across 3 days

Deep dive

Activity timeline5 mentions / 3d
01122Mentions · 2026-08-12: 2Mentions · 2026-08-13: 2Mentions · 2026-08-15: 1Patch / Workaround · 2026-08-13: 2Patch / Workaround · 2026-08-15: 1Technical Details · 2026-08-12: 1Technical Details · 2026-08-13: 2Technical Details · 2026-08-15: 108-1208-1308-15
Signal classification3 categories
Disclosure
240.0%
Patch
240.0%
General
120.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-08-122
Disclosure1General1
2026-08-132
Disclosure1Patch1
2026-08-151
Patch1
Full discourse5 posts
  • セキュリティ対策Lab@securityLab_jp
    Disclosure

    Zoomの注釈機能に複数の脆弱性、会議参加者同士が互いのクライアントを乗っ取り可能な状態(CVE-2026-53413、CVE-2026-53414、CVE-2026-53415) https://rocket-boys.co.jp/security-measures-lab/zoom-annotation-vulnerabilities-cve-2026-53413/ #セキュリティ対策Lab #security #securitynews #脆弱性

    Post summary

    The text announces three Zoom annotation vulnerabilities that enable participant client takeover, with a link to a news article but no PoC, exploit, patch, or detailed technical data.

    01010194
    545 followersView on X
  • WHISPR@WhisprNews
    Disclosure

    🚨 'Zoomsday': A Security destapa dos fallos zero-click en Zoom (CVE-2026-53413 y CVE-2026-53415, severidad 8.3) que dan control del dispositivo sin un solo click. En riesgo: sesiones de intercambio y software de billetera. Parchea ya: 7.1.5 / 7.0.6. https://t.co/INsRSv5Xum

    Post summary

    The tweet discloses two zero‑click CVEs in Zoom (CVE-2026-53413, CVE-2026-53415) with severity 8.3 and releases patch versions 7.1.5/7.0.6.

    00100142
    4.1K followersView on X
  • CyberSignal | Cybersecurity News@XQOPTRX
    Patch

    CyberSec Daily ✓ · 🚨 Critical Update · August 15, 2026 🎯 Zoom users urged to update after high-severity client vulnerabilities Zoom has updated advisories for CVE-2026-53413, CVE-2026-53414 and CVE-2026-53415, covering memory-safety weaknesses in Zoom clients. Security researchers warn that vulnerable clients could face serious compromise risks during malicious meeting interactions. Zoom recommends installing the latest available version. 🔗 Sources: Zoom Security Bulletins / TechRadar #Zoom #CVE #PatchNow #RemoteWork #Vulnerability

    Post summary

    Zoom has issued security bulletins for three high‑severity CVEs and urges users to update to the latest client version for a patch that mitigates memory‑safety weaknesses.

    0000037
    58 followersView on X
  • CVETodo@CveTodo
    Patch

    Zoom has patched four vulnerabilities in its client applications, including two critical flaws — CVE-2026-53413 and CVE-2026-53415 — that could allow an attacker who simply... https://cvetodo.com/news/zoom-patches-zero-click-rce-flaws-that-let-attackers-hijack-all-meeting-participants-via-annotation- #Cybersecurity #InfoSec #CVE #CriticalVulnerability #RemoteCodeExecution https://t.co/pcwrfBcHs7

    Post summary

    Zoom has issued patches for several vulnerabilities, including CVE‑2026‑53413 and CVE‑2026‑53415, which are zero‑click remote code execution flaws that could compromise meeting participants.

    0000065
    19 followersView on X
  • Tech & Telecom by ProPakistani@ProPakTech
    General

    Zoom assigned CVE-2026-53413, CVE-2026-53414 and CVE-2026-53415 to the flaws. Two can contribute to remote code execution, while one can cause denial of service. Update now:

    Post summary

    Zoom has released CVE identifiers for three flaws, noting that two allow remote code execution and one can cause denial of service, but no exploit details or remediation steps are provided.

    0000045
    70 followersView on X

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