CVE-2026-108135
Improper link resolution before file access ('link following') in Windows Backup Engine allows an…
- Risk score
- 46/100
- CVSS
- 7.0 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 13 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
- Affected
- Microsoft Windows 10 21h2
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Story map
At a glance
Microsoft Windows 10 21h2: Amber, patch this week. Missing authorization in Windows AppX Deployment Extensions allows an authorized attacker to elevate privileges locally.
The flaws
- CVE-2026-108135: Improper link resolution before file access ('link following') in Windows Backup Engine allows an… (CVSS 7.0 · EPSS 0%)
- CVE-2026-69945: Missing authorisation (CVSS 8.8 · EPSS 0%)
- CVE-2026-70027: Heap buffer overflow (CVSS 7.8 · EPSS 0%)
- CVE-2026-97798: Improper neutralization of argument delimiters in a command ('argument injection') in Windows Error… (CVSS 7.8 · EPSS 0%)
The fix
Fix: Apply the vendor's security update; see the linked advisory.
Who is exposed: Microsoft Windows 10 21h2
Where it stands
- No known exploitation
Connects to
- Same weakness: CWE-59 (CWE-59). 78 other warnings in 30 days
- Same product: Earlier Microsoft Windows 10 21h2 warnings. 19 in the last 90 days
Why it is Yellow
- CVSS 7.0 high
References
Original description
Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
Last activity 13 Oct 2026. Patch Forecast updates every hour.