CVE-2021-42292
ENISA EUVD: EUVD-2021-29267 ↗
Exploited in the Wild
✓ Confirmed 0-Day
★ Google Project Zero
Triaged: March 5, 2026
3 articles
Published: 2021-11-10
EPSS Score
Source: FIRST.org · 2026-05-23
35.49%
probability
This CVE has a 35.49% probability
of being exploited in the next 30 days.
0%
Top 97.1th percentile of all CVEs
100%
CVSS v3.1
Source: VulnerabilityLookup (CIRCL)7.8
HIGH
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Temporal
Exploit Code Maturity
Proof-of-Concept
Remediation Level
Official Fix
Report Confidence
Confirmed
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CVSS v2 (legacy)
6.8
MEDIUM
Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
AV:N/AC:M/Au:N/C:P/I:P/A:P
Description
NVDMicrosoft Excel Security Feature Bypass Vulnerability
Affected Products
Microsoft
Microsoft Office 2019
19.0.0
Microsoft
Microsoft Office 2019 for Mac
16.0.0
Microsoft
Microsoft 365 Apps for Enterprise
16.0.1
Microsoft
Microsoft Office LTSC for Mac 2021
16.0.1
Microsoft
Microsoft Office LTSC 2021
16.0.1
Google Project Zero
Patched
Nov. 9, 2021
Reported by
Microsoft Threat Intelligence Center (MSTIC)
Root Cause Analysis
???
Exploits & PoC
corelight/CVE-2021-42292
A Zeek package to detect CVE-2021-42292, a Microsoft Excel local privilege escalation exploit.
18
2021-11-11
1 repo — triés par ⭐
Rechercher sur GitHub ↗
Signal Intelligence
Confidence
95%
EPSS
35.49%
CVSS v3.1
7.8
Mentions
3
Last Seen
Nov 11, 2021
CNA Information
CNA Assigner
microsoft
CNA Title
Microsoft Excel Security Feature Bypass Vulnerability
Analyst Note
Auto-imported from Google Project Zero — confirmed zero-day by definition.
Threat Actors 2
Triage Info
Decided atMar 05, 2026
Published DateNov 10, 2021