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CVE-2026-0028 - Vulnerability Analysis

HighCVSS: 8.4

Last Updated: March 3, 2026

pkvm_host_share_guest - Integer Overflow

Published: March 2, 2026Updated: March 3, 2026

Overview

The pkvm_host_share_guest function in mem_protect.c contains an out of bounds write caused by an integer overflow, letting local attackers escalate privileges without additional execution rights, exploit requires no user interaction.

Severity & Score

Severity: High
CVSS Score: 8.4
EPSS Score: 0.8%(Probability of exploitation in next 30 days)

Impact

Local attackers can escalate privileges, potentially gaining unauthorized access or control over the system.

Mitigation

Update to the latest version containing the fix.

Social Media Activity(1 post)

TheHackerWire
TheHackerWire
@thehackerwire
Mar 2, 2026

🟠 CVE-2026-0028 - High (8.4) 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 ex... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-0028/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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Details

CVE ID
CVE-2026-0028
Severity
High
CVSS Score
8.4
Type
integer_overflow
Status
confirmed
EPSS
0.8%
Social Posts
1

CWE

  • CWE-190

CVSS Metrics

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

0.8%Probability of exploitation in the next 30 days