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CVE intelligence

CVE-2026-69522

Vulnerability intelligence

Published Sep 8, 2026Sources checked Oct 28, 2026
8.8HIGHCVSS out of 10
What this means

Review the available evidence

CVE-2026-69522 and is rated High severity with a CVSS score of 8.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Sep 29, 2026
Vendor remediation details

Release Notes Install KB5126106. Install KB5126104. Install KB5126105. Install KB5126049. Install KB5126047. Install KB5126051. Install KB5126048. Install KB5126050. Install KB5126046. Install KB5126043. Install KB5123099. Install KB5126044. Install KB5126045. Install KB5126053. Install KB5126422. Install KB5126421. Install KB5126052. Install KB5126424.

Vendor-listed releases

  • 10.0.12
  • 8.0.31
  • 9.0.20
  • 17.14.40
  • 4.8.4806.0
  • 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4806.0
  • 2.0.50727.9183 & 3.0.30729.9169 & 4.8.4806.0
  • 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4145.0
  • 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4145.0
  • 4.7.4145.0
  • 4.8.9347.0
  • 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9347.0
  • 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9346.0
  • 18.9.3
  • 11.0 RC1
CISA KEVNot listedBased on the latest collected catalog
EPSS0.8%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview

What is CVE-2026-69522?

Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.

Source: NVD