CVE-2026-62687: Windows Backup Engine Information Disclosure Vulnerability
Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to disclose information locally.
Other sources
Windows Backup Engine Information Disclosure Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648
Event History
Frequently Asked Questions
Which systems should be prioritized for review?
Systems running Microsoft Windows 10, Microsoft Windows 11, or Microsoft Windows Backup Engine are identified as affected software.
What level of access does an attacker need?
Exploitation requires local access and low-level privileges. No user interaction is required.
What is the expected impact if exploited?
The vulnerability can allow disclosure of information. The provided vector indicates high confidentiality impact, with no integrity or availability impact.