Google Android kernel mem_protect.c __pkvm_host_share_guest out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$25k-$100k0.00

Summaryinfo

A vulnerability described as critical has been identified in Google Android kernel. This impacts the function __pkvm_host_share_guest of the file mem_protect.c. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2026-0028. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Android kernel. Affected by this issue is the function __pkvm_host_share_guest of the file mem_protect.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In __pkvm_host_share_guest of mem_protect.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

The advisory is shared for download at android.googlesource.com. This vulnerability is handled as CVE-2026-0028 since 10/15/2025. The exploitation is known to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $25k-$100k (estimation calculated on 03/10/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-9242) and CERT Bund (WID-SEC-2026-0569). Once again VulDB remains the best source for vulnerability data.

Affected

  • Google Android

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 8.4
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/15/2025 CVE reserved
03/02/2026 +138 days Advisory disclosed
03/02/2026 +0 days VulDB entry created
03/10/2026 +8 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: android.googlesource.com
Status: Not defined

CVE: CVE-2026-0028 (🔒)
GCVE (CVE): GCVE-0-2026-0028
GCVE (VulDB): GCVE-100-348500
EUVD: 🔒
CERT Bund: WID-SEC-2026-0569 - Google Android: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 03/02/2026 20:42
Updated: 03/10/2026 01:10
Changes: 03/02/2026 20:42 (56), 03/02/2026 21:58 (1), 03/04/2026 14:47 (11), 03/10/2026 01:10 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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