CVE-2026-62886: Integer overflow

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Aug 17, 2026

Vendor remediation details

Install KB5127660. Install KB5126044. Install KB5126049. Install KB5126051. Install KB5126047. Install KB5127666. Install KB5127685. Install KB5127693. Install KB5126043. Install KB5120703. Install KB5126046. Install KB5126421. Install KB5126052. Install KB5120747. Install KB5126053. Install KB5127664. Install KB5126045. Install KB5126868. Install KB5127687. Install KB5127690. Install KB5123099. Install KB5126424. Install KB5127689. Install KB5127692. Install KB5127694.

Vendor-listed releases

2.0.50727.8987 AND 3.0.30729.8982
4.7.4145.0
4.8.4806.0
2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0
2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0
2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0
2.0.50727.9070 & 3.0.30729.9068 & 4.7.4145.0
2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0
2.0.50727.9183 & 3.0.30729.9169 & 4.8.4806.0
2.0.50727.9183 & 3.0.30729.9169 & 4.8.9346.0
2.0.50727.9183 & 3.0.30729.9169 & 4.8.9347.0
2.0.50727.9183 & 3.0.30729.9169
4.8.9347.0
2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0
2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.4811.0
2.0.50727.8984 & 3.0.30729.8980 & 4.7.4145.0
18.8.3
2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.10008.0

CVE-2026-62886

Review the available evidence

Remediation and response

Microsoft Security Response Center guidance

What is CVE-2026-62886?