CVE-2022-26925KEV · OVERDUE

Windows LSA Spoofing Vulnerability

High · published May 10, 2022

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.1. It is confirmed in active exploitation. It sits in the 95.7th percentile for exploit probability.

1555
days past CISA
deadline
CVSS v3.1
8.1
EPSS
10%
Percentile
95.7
In the wild
Confirmed
What it is

⚡ A malicious actor can completely impersonate a trusted service! This Windows LSA spoofing vulnerability is like a master forger crafting perfect fake IDs to slip into exclusive clubs. 🔥 Think of it as a restaurant where a con artist walks in, flashes a convincing badge, and gets access to the kitchen. By pretending to be a trusted service, they could order up all sorts of trouble without anyone batting an eye! An attacker could gain unauthorized access to sensitive data by executing commands as a trusted user, potentially leading to full system compromise. The consequences could be absolutely devastating: stolen credentials, data leaks, or even complete system takeovers. This isn't just a drill—it's a call to action!

Put simply

Think of it as a restaurant where a con artist walks in, flashes a convincing badge, and gets access to the kitchen. By pretending to be a trusted service, they could order up all sorts of trouble without anyone batting an eye! This vulnerability allows attackers to spoof a Local Security Authority (LSA) service, enabling them to bypass authentication and impersonate legitimate users or services. Less secure configurations and improper validation increase the risk of exploitation.

What to do

An attacker could gain unauthorized access to sensitive data by executing commands as a trusted user, potentially leading to full system compromise. The consequences could be absolutely devastating: stolen credentials, data leaks, or even complete system takeovers. This isn't just a drill—it's a call to action! Patch your systems immediately to the latest version and ensure LSA protection is enabled. Review user privileges and monitor access logs to detect any suspicious activity. Don't wait—secure your defenses now! You've got this! By taking these steps, you're not just protecting your environment; you're becoming a security hero! 🛡️

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.10476 · 95.7th percentile
Published
2022-05-10T20:33Z
KEV added
2022-07-01 · due 2022-07-22
EPSS history
Timeline
  • 01 JUL 00:00Z
    Added to CISA KEV — remediate by Jul 22
    kev
  • 10 MAY 20:33Z
    Windows LSA Spoofing Vulnerability
    cvelistv5