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Edge 157 Fixes 27 Chromium Flaws: Detection & IOCs

Edge 157.0.4341.42 fixes 27 Chromium flaws, including a use-after-free in Frames; 9 detection rules, 6 IOCs and a free Splunk SPL rule.

Read the full threat intel for Edge 157 Fixes 27 Chromium Flaws: Detection & IOCs →

Chapters

  1. 0:00The hookMicrosoft Edge flaws, rated CVSS 8.8.
  2. 0:05The storyHK GovCERT published Security Alert.
  3. 0:13Attack pathDeliver link to crafted web page.
  4. 0:26AttributionNo threat actor is attributed.
  5. 0:31Indicators of compromise4 indicators to hunt: 4 package names.
  6. 0:37MITRE ATT&CK techniques3 ATT&CK techniques, from initial access to execution.
  7. 0:42Remediation2 steps now: Update Microsoft Edge.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:00Microsoft Edge flaws, rated CVSS 8.8.

0:05HK GovCERT published Security Alert.

0:08Five of the 27 CVEs were checked in NVD.

0:13Deliver link to crafted web page.

0:16Victim opens page in Edge.

0:18Null.

0:26No threat actor is attributed. Confidence: low.

0:314 indicators to hunt: 4 package names.

0:383 ATT&CK techniques, from initial access to execution.

0:432 steps now: Update Microsoft Edge.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.