Is CVE-2026-20911 actively exploited?

No active exploitation of CVE-2026-20911 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-20911 be exploited remotely?

Yes. CVE-2026-20911 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-20911?

CVE-2026-20911 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2026-20911

CRITICAL

CVE-2026-20911

CWE-131Published: April 7, 2026· Updated: Apr 10, 2026

9.8

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:13.1th

Official Description

A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

NVD Source

Technical Analysis

CVE-2026-20911 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.