Signal is active with 4 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
2 versions affected across 5 products
Warning: Critical #Use-After-Free vulnerability in #Microsoft #Excel. CVE-2026-62870; CVSS 8.8. This #vulnerability can lead to remote code execution via a crafted file #RCE! #Patch #Patch #Patch
Post summary
A warning about a critical Use-After-Free vulnerability in Microsoft Excel (CVE-2026-62870) with CVSS 8.8 that can lead to remote code execution via a crafted file; a patch is implied.
High CVSS CVE-2026-62870 (8.8) affects Microsoft Excel with use-after-free RCE over network. Apply updates to mitigate. https://nvd.nist.gov/vuln/detail/CVE-2026-62870 via NVD Recent High CVSS #CyberSecurity #InfoSec #Vulnerability #AI #MachineLearning https://t.co/P5ITTF3Rza
Post summary
The tweet announces CVE-2026-62870, a high‑severity use‑after‑free RCE in Microsoft Excel, links to the NVD entry, and advises users to apply updates to mitigate.
⚠️ Vulnerabilidades en productos Microsoft ❗ CVE-2026-66318 ❗ CVE-2026-62870 ➡️ Más info: https://www.cert.gov.py/vulnerabilidades-en-productos-microsoft-10/ https://t.co/Nl06BHsVjS
Post summary
The message lists two Microsoft CVEs (CVE‑2026‑66318 and CVE‑2026‑62870) and directs readers to a government webpage for additional information, but provides no further technical, exploit or patch details.
🔐 CVE-2026-62870 — Microsoft Excel UAF RCE: Patch Now (CVSS 8.8) ✅ Patch NOW via Windows Update 🔒 Enable Safe Attachments 📊 Monitor Excel crashes & outbound connections 🔗 https://threataft.com/articles/microsoft-excel-use-after-free-rce-cve-2026-62870?utm_source=twitter&utm_medium=social&utm_campaign=share #CyberSecurity #ThreatIntel https://t.co/h83RIdkjL9
Post summary
The post highlights the availability of a patch for the CVE‑2026‑62870 UAF RCE in Microsoft Excel, with technical details and a call to action to update via Windows Update.
10 of 10 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | microsoft | 365_apps | - | - | x64 |
| App | microsoft | 365_apps | - | - | x86 |
| App | microsoft | excel | 2016 | - | x64 |
| App | microsoft | excel | 2016 | - | x86 |
| App | microsoft | office_2019 | - | - | x64 |
| App | microsoft | office_2019 | - | - | x86 |
| App | microsoft | office_2021 | - | - | x64 |
| App | microsoft | office_2021 | - | - | x86 |
| App | microsoft | office_2024 | - | - | x64 |
| App | microsoft | office_2024 | - | - | x86 |