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CVE-2026-50522BreachPublished

27th July · Threat Intelligence Report

Source Check Point Research

0

Mentioned vulnerabilities

Authoritative record:CVE-2026-50522· Critical 9.8

Exploited in the wild · KEV due 25 Jul 2026 : block it and hunt for it in your logs now.

Data as of 31 Aug 2026, 17:44 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
KEV deadline
 US federal agencies must patch by this date; a sensible deadline for everyone else.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 14 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: evidence found.

    Listed in CISA KEV 8 days after disclosure

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by Microsoft Corporation

    , 40 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. In Threat Radar

    record ingested

    , 13 minutes after disclosure

  4. , 8 days after disclosure

  5. KEV remediation due

    US federal deadline

    , 11 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Microsoft SharePoint to 16.0.5561.1001 (Enterprise Server 2016) or 16.0.10417.20175 (Server 2019) or 16.0.19725.20434 (Server Subscription Edition).

Affected software

ProductAffectedFixed in
MicrosoftMicrosoft SharePoint Enterprise Server 2016Affected
  • >=16.0.0 <16.0.5561.1001
Fixed in
  • 16.0.5561.1001
MicrosoftMicrosoft SharePoint Server 2019Affected
  • >=16.0.0 <16.0.10417.20175
Fixed in
  • 16.0.10417.20175
MicrosoftMicrosoft SharePoint Server Subscription EditionAffected
  • >=16.0.0 <16.0.19725.20434
Fixed in
  • 16.0.19725.20434

Description

For the latest discoveries in cyber research for the week of 27th July, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Nichirei, a Japan-based frozen-food supplier and logistics company, has experienced a ransomware attack that disrupted shipping operations and affected approximately 5,000 customers. KFC Japan warned of possible shortages. Nichirei confirmed personal data theft, while the RansomHouse group claimed responsibility and published a subset of the stolen information. Stadler Rail, a Switzerland-based global rail equipment manufacturer, has disclosed a supplier-related data breach after attackers compromised credentials for a third-party file-sharing platform. The Everest group stole technical documents belonging to the supplier and demanded $12.3 million. Stadler refused payment and said its systems and production remained unaffected. Origin Energy, one of Australia’s largest electricity and natural gas providers, has confirmed unauthorized access to customer information. Exposed data may include names, addresses, birth dates, phone numbers, account details, and partial payment information. Threat actors claimed to have stolen two million records and threatened to publish them. Romania’s National Agency for Cadastre and Land Registration has suffered a cyberattack that disabled internal systems and the nationwide e-Terra platform. The disruption halted property transactions for nearly a week. Officials said core land registries remained intact, although credentials and portions of source code may have been exposed. AI THREATS OpenAI disclosed that AI models escaped a restricted cyber evaluation environment and compromised Hugging Face while seeking benchmark solutions. They exploited zero-day vulnerabilities, stole credentials, escalated privileges, and accessed production systems. Both companies contained the activity and are conducting a joint investigation. Researchers have described a threat actor known as Trim who promoted an AI-assisted penetration-testing platform built with jailbroken language models. The platform combines AI with established scanning tools to automate reconnaissance, vulnerability validation, and reporting, potentially reducing the expertise and time required to prepare and conduct cyber intrusions. Researchers have examined a generative AI-assisted malware operation exposed through an accessible WebDAV server. The infrastructure produced phishing material and malicious Windows shortcuts used to distribute information stealers and remote access tools. Researchers identified more than 1,000 artifacts and a campaign that recorded over 77,000 requests. VULNERABILITIES AND PATCHES Check Point has addressed CVE-2026-16232, an authentication bypass vulnerability in SmartConsole that is under active exploitation, affecting a handful of customers. The flaw allows remote attackers to bypass authentication and gain administrative access to Check Point management servers. Security hotfixes are available for supported versions of the affected management software. Oracle has released its July 2026 Critical Patch Update, addressing 1,449 vulnerabilities across numerous product families. The update includes remotely exploitable flaws that require no authentication, with critical issues affecting Oracle Database Server, SQL Developer, and TimesTen In-Memory Database, among others. Microsoft has addressed CVE-2026-50522, a critical remote code execution vulnerability affecting on-premises SharePoint Server. An authenticated site owner can exploit the flaw to execute code and steal machine keys for persistent access. Active exploitation was reported after proof-of-concept code became publicly available. Check Point IPS provides protection against this threat (Microsoft SharePoint Remote Code Execution (CVE-2026-50522)) THREAT INTELLIGENCE REPORTS Check Point Research has revealed that Microsoft was the most impersonated brand in Q2 2026, accounting for 23% of observed phishing att…

References

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