Patch Forecast
Red warning
Act within 24 hours.

CVE-2026-97816

Microsoft Windows 10 1809: use-after-free

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
Use after free in OpenSSH for Windows 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

Story map: Microsoft Windows 10 1809THE FLAWSTHE FIXCVE-2026-97816Use-after-freeCVSS 9.8 · EPSS 1%CVE-2026-102210Heap buffer overflowCVSS 9.8 · EPSS 1%CVE-2026-87716Heap buffer overflowCVSS 7.5 · EPSS 1%CVE-2026-70104Untrusted pointer dereferencein Windows Win32 KernelSubsystem allows an…CVSS 7.8 · EPSS 0%FixApply the vendor's securityupdate; see the linked advisory.Who is exposedMicrosoft Windows 10 1809RED · ACT TODAYMicrosoftWindows 10 1809Use after free in OpenSSH forWindows allows an unauthorizedattacker to execute code over anetwork.Where it standsNo known exploitationCONNECTS TOSame weaknessUse-after-free (CWE-416)399 other warnings in 30 days →Same productEarlier Microsoft Windows 10 1809 warnings62 in the last 90 days →
Story map: the flaws, the fix, how it unfolded and what it connects to. Boxes link to the record or article.

At a glance

Microsoft Windows 10 1809: Red, act today. Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

The flaws

  • CVE-2026-97816: Use-after-free (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

Why it is Red

  • CVSS 9.8 critical
  • Remotely exploitable without logging in
  • On your watchlist: openssh, windows server

References

Original description

Use after free in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

Last activity 13 Oct 2026. Patch Forecast updates every hour.