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  3. CVE-2026-102764
Exploited in the wildServers & business softwareWork IT

CVE-2026-102764 BeyondTrust Remote Support: login or permission bypass

In plain words: A door that should be locked is not: part of the system can be reached without a valid login or permission. The attacker gets in as a user or administrator without knowing a password.

Confirmed exploited by CISA on · US federal patch deadline Oct 19, 2026

What to do

  1. Install BeyondTrust's security update for Remote Support. If no update exists, follow the vendor's workaround or stop using the product until one ships.
  2. Keep a list of every internet-facing server you run so nothing is forgotten.
  3. Patch anything in this catalog first, ahead of normal patch cycles.
  4. Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.

Read BeyondTrust's advisory ↗

Who is affected

Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.

What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.

The details

Official name
BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability
Product
BeyondTrust Remote Support
CISA description
BeyondTrust Remote Support contains an authentication bypass by spoofing vulnerability that could allow a remote attacker to perform file operations on the appliance.
Type of flaw
Login or permission bypass (CWE-290)
Confirmed exploited
Oct 16, 2026
US federal patch deadline
Oct 19, 2026

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Answering about CVE-2026-102764 ·

Questions about CVE-2026-102764

Is CVE-2026-102764 being exploited?

Yes. CISA added CVE-2026-102764 to its Known Exploited Vulnerabilities catalog on Oct 16, 2026, which means there is reliable evidence of real-world attacks.

How do I fix CVE-2026-102764?

Install BeyondTrust's security update for Remote Support. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.

Am I affected by CVE-2026-102764?

Only if you use BeyondTrust Remote Support. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.

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