CVE-2021-39793VulnerabilityPublished 04/11/2022Updated 10/24/2026

CVE-2021-39793: Google Pixel Out-of-Bounds Write Vulnerability

Affects Google PixelSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 04/11/2022
KEV deadline: 05/02/2022
EPSS: 0.7% chance of exploitation in 30 days – higher than 52% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2021-39793 (opens in a new tab)

Description

CVE-2021-39793 is an out-of-bounds write vulnerability in Google Pixel devices caused by a logic error. This flaw can be exploited locally to escalate privileges. The vulnerability has been observed in the wild, indicating active exploitation. No specific affected versions or patch information is provided in the available data.

Summary

Google Pixel devices contain a logic error leading to an out-of-bounds write vulnerability (CWE-787). This flaw allows a local attacker to escalate privileges on the device. The vulnerability has been exploited in the wild, as noted by CISA KEV. No detailed patch or remediation information is available from the provided data.

Impact

Successful exploitation of this vulnerability allows a local attacker to gain elevated privileges on affected Google Pixel devices, potentially compromising device security and user data. The presence of known exploitation in the wild increases the risk to users.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict local access to trusted users only and monitor for suspicious activity related to privilege escalation attempts.

Weaknesses

CWE-787Out-of-bounds Write (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 11:26:02 UTC

Weaknesses

References

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