CVE-2026-61359
Microsoft Windows 11 23h2: heap buffer overflow
- Risk score
- 67/100
- CVSS
- 7.8 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 11 Aug 2026
Open in the live forecast Today's forecast
What to know
- What it is
- A heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally. An attacker could use this vulnerability to gain elevated privileges on a local system.
- Affected
- {'product': 'Windows 11 23H2', 'vendor': 'Microsoft'}
- Fix
- Check the linked advisory for the concrete fix.
- Exploitation
- No known exploitation
Why it is Amber
- CVSS 7.8 high
- On your watchlist: windows server
- Named in a government or vendor bulletin
Government and vendor bulletins
References
Original description
Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.
Last activity 21 Oct 2026. Patch Forecast updates every hour.