Your RSA-2048 keys break in 2030. Find every one of them before attackers do.
CISA KEV·Added 2022-07-01 — agencies required to remediate by 2022-07-22

CVE-2022-26925

HIGH

Windows LSA Spoofing Vulnerability

Published
May 10, 2022
Updated
Jun 17, 2026
Affected
0 pkgs
Patched
None yet
Exploits
4 known

EPSS Exploitation Probability

via FIRST.org ↗
10.5%probability of exploitation in next 30 days
Moderate Risk95th percentile+0.64%
1.54%16.3%31.0%45.7%37.4%10.5%Jan 26May 26Jul 26

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Windows LSA Spoofing Vulnerability

Affected Products

17 products · 19 configurations
OS
windows 7microsoft
all
OS
windows 8.1microsoft
all
OS
windows 10 20h2microsoft
< 10.0.19042.1706
range
OS
windows 10 21h1microsoft
< 10.0.19043.1706
range
OS
windows 10 21h2microsoft
< 10.0.19044.1706
range
OS
windows 10 1507microsoft
< 10.0.10240.19297
range
Exploits & PoCs
4

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every microsoft windows 7 deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for exploitation at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.

  2. Fix

    Apply the microsoft windows 7 security patch or hotfix for CVE-2022-26925 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.

  4. How O3 protects you

    O3 detects and blocks CVE-2022-26925 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.

Tailored to CVE-2022-26925. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Windows LSA Spoofing Vulnerability
O3 Security · Runtime Protection

Is CVE-2022-26925 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2022-26925 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.