CVE-2021-28664
Exploited in the Wild
✓ Confirmed 0-Day
★ Google Project Zero
Triaged: March 5, 2026
3 articles
EPSS Score
Source: FIRST.org · 2026-05-24
0.33%
probability
This CVE has a 0.33% probability
of being exploited in the next 30 days.
0%
Top 55.9th percentile of all CVEs
100%
CVSS score unavailable
Neither CIRCL nor NVD returned a CVSS score for this CVE.
View on VulnerabilityLookup ↗
Description
Project ZeroWrites to read-only memory in Mali GPU
Attack Intelligence
Google Project Zero
Patched
May 3, 2021
Reported by
???
Root Cause Analysis
???
May Android security updates patch 4 zero-days exploited in the wild
BleepingComputer
May 19, 2021
Qualys Response to CISA Alert: Binding Operational Directive 22-01
Qualys
Nov 09, 2021
Signal Intelligence
Confidence
95%
EPSS
0.33%
Mentions
3
Last Seen
Nov 09, 2021
CNA Information
Analyst Note
Auto-imported from Google Project Zero — confirmed zero-day by definition.
Triage Info
Decided atMar 05, 2026