Out of Bounds Read and Write in Google Chrome by Google
CVE-2026-11645

8.8HIGH

Key Information:

Vendor

Google

Status
Vendor
CVE Published:
8 June 2026

Badges

πŸ“ˆ TrendedπŸ“ˆ Score: 2,500πŸ‘Ύ Exploit Exists🟑 Public PoCπŸ¦… CISA ReportedπŸ“° News Worthy

What is CVE-2026-11645?

false

CISA has reported CVE-2026-11645

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2026-11645 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected Version(s)

Chrome 149.0.7827.103

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

News Articles

Google patches fifth exploited Chrome zero-day of the year

Google patched CVE-2026-11645, an actively exploited V8 flaw in Chrome and the fifth zero-day used in attacks this year. Update Chrome now.

3 weeks ago

Chrome V8 Zero-Day CVE-2026-11645 Exploited in the Wild - Patch Now

Google released security updates for 74 Chrome vulnerabilities, including CVE-2026-11645, a high-severity V8 out-of-bounds memory access flaw.

3 weeks ago

Google patches new Chrome zero-day flaw exploited in the wild

Google has released emergency updates to patch another Chrome zero-day vulnerability that has been exploited in the wild, the fifth such flaw patched since the start of the year.

3 weeks ago

References

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • πŸ“ˆ

    Vulnerability started trending

  • 🟑

    Public PoC available

  • πŸ‘Ύ

    Exploit known to exist

  • πŸ¦…

    CISA Reported

  • πŸ“°

    First article discovered by BleepingComputer

  • Vulnerability published

  • Vulnerability Reserved

.