Hazard

Is CVE-2009-0557 being exploited?

Weaponised and widely attempted

Reliable public exploit code exists, or mass exploitation attempts are probable. Patch inside days, not weeks.

Microsoft Office Object Record Corruption Vulnerability

Microsoft · Office

CVSS 7.8 EPSS 59% no public exploit indexed Fix deadline passed 22 June 2022

What it is

Microsoft Office contains an object record corruption vulnerability that allows remote attackers to execute code via a crafted Excel file with a malformed record object.

Why we say that

  • EPSS puts exploitation in the next 30 days at 59%
  • CISA's federal remediation deadline (2022-06-22) has passed
  • Listed in the CISA Known Exploited Vulnerabilities catalogue

Every line above comes from a named public source. Where the evidence is thin, we say so rather than inventing confidence — see methodology.

What to do

Apply updates per vendor instructions.

What it costs when this goes wrong

This is where UK enforcement meets the vulnerability record. Where an unfixed vulnerability leads to a breach, the ICO treats it as a security failure under UK GDPR. Recent cases:

All UK cases caused by unpatched software →