CVE-2018-8120

ENISA EUVD: EUVD-2018-19796 ↗
Exploited in the Wild ✓ Confirmed 0-Day ★ Google Project Zero
Triaged: March 5, 2026 4 articles
VulnLookup ↗ NVD ↗ EUVD ↗ MITRE ↗ Advisory ↗ P0 Sheet ↗ CISA KEV ↗

EPSS Score

Source: FIRST.org · 2026-05-24
94.15%
probability
This CVE has a 94.15% probability of being exploited in the next 30 days.
0% Top 99.9th percentile of all CVEs 100%

CVSS v3.1

Source: NVD
7.0
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Project Zero
NULL pointer dereference in NtUserSetImeInfoEx

Affected Products

Attack Intelligence

Google Project Zero

Patched
May 8, 2018
Reported by
Anton Cherepanov, Senior Malware Researcher of ESET
Root Cause Analysis
???

Exploits & PoC

bigric3/cve-2018-8120

PoC CVE-2018-8120 — bigric3/cve-2018-8120

165
ne1llee/cve-2018-8120

PoC CVE-2018-8120 — ne1llee/cve-2018-8120

5
2 repos — triés par ⭐ Rechercher sur GitHub ↗

Signal Intelligence

Confidenceⓘ
95%
EPSS 94.15%
CVSS v3.1 7.0
Mentions 4
Last Seen May 15, 2018

CNA Information

Analyst Note

Auto-imported from Google Project Zero — confirmed zero-day by definition.

Threat Actors 2

Cobalt
apt_group Financial crime 🇷🇺 RU
Earth Lamia
apt_group Information theft and espionage 🇨🇳 CN

Triage Info

Decided atMar 05, 2026