CVE-2026-96219
Microsoft Windows 10 1809: out-of-bounds write
- Risk score
- 86/100
- CVSS
- 9.8 v3.1
- Exploit chance (30 days)
- 0.9%
- Published
- 13 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to execute code over a network.
- Affected
- Microsoft Windows 10 1809
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Story map
At a glance
Microsoft Windows 10 1809: Red, act today. Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
The flaws
- CVE-2026-96219: Out-of-bounds write (CVSS 9.8 · EPSS 1%)
- CVE-2026-102210: Heap buffer overflow (CVSS 9.8 · EPSS 1%)
- CVE-2026-87716: Heap buffer overflow (CVSS 7.5 · EPSS 1%)
- CVE-2026-70104: Untrusted pointer dereference in Windows Win32 Kernel Subsystem allows an authorized attacker to… (CVSS 7.8 · EPSS 0%)
The fix
Fix: Apply the vendor's security update; see the linked advisory.
Who is exposed: Microsoft Windows 10 1809
Where it stands
- No known exploitation
Connects to
- Same weakness: Out-of-bounds write (CWE-787). 258 other warnings in 30 days
- Same product: Earlier Microsoft Windows 10 1809 warnings. 62 in the last 90 days
Why it is Red
- CVSS 9.8 critical
- Remotely exploitable without logging in
- On your watchlist: windows server
References
Original description
Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to execute code over a network.
Last activity 13 Oct 2026. Patch Forecast updates every hour.