CVE-2026-89161

HIGH
7.8
CVSS Score
Published: September 11, 2026 at 04:11 AM UTC
Updated: September 16, 2026 at 07:24 PM UTC
1 product affected across 1 vendorPCRE2

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 10.4810.48 rc1
Affected range stops below 10.48, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusUNDERGOING ANALYSIS
CWE
CWE-590

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