Threat Intelligence Report — May 18, 2026 | 2 New KEVs · 166 Victims

Report Date: 2026-05-18

New KEVs: 2Critical CVEs: 5Ransomware Victims: 166

2 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. 5 additional critical-severity CVEs have been published to the NVD but not yet confirmed as exploited — Microsoft products show the strongest concentration of risk signals this week. Threat intelligence sources this period reference Turla (Russia). Ransomware activity is moderate with 166 new victims posted to leak sites over the last 7 days, with Qilin posting the most victims.

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Threat Intelligence Report — May 17, 2026 | 2 New KEVs · 156 Victims

Report Date: 2026-05-17

New KEVs: 2Critical CVEs: 5Ransomware Victims: 156

2 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. 5 additional critical-severity CVEs have been published to the NVD but not yet confirmed as exploited — Microsoft products show the strongest concentration of risk signals this week. Threat intelligence sources this period reference Turla (Russia). Ransomware activity is moderate with 156 new victims posted to leak sites over the last 7 days, with Qilin posting the most victims.

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Threat Intelligence Report — May 16, 2026 | 2 New KEVs · 152 Victims

Report Date: 2026-05-16

New KEVs: 2Critical CVEs: 5Ransomware Victims: 152

2 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. 5 additional critical-severity CVEs have been published to the NVD but not yet confirmed as exploited — Microsoft products show the strongest concentration of risk signals this week. Threat intelligence sources this period reference Turla (Russia). Ransomware activity is moderate with 152 new victims posted to leak sites over the last 7 days, with Qilin posting the most victims.

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Threat Intelligence Report — May 15, 2026 | 2 New KEVs · 168 Victims

Report Date: 2026-05-15

New KEVs: 2Critical CVEs: 5Ransomware Victims: 168

2 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. 5 additional critical-severity CVEs have been published to the NVD but not yet confirmed as exploited — Cisco products show the strongest concentration of risk signals this week. Threat intelligence sources this period reference Turla (Russia). Ransomware activity is moderate with 168 new victims posted to leak sites over the last 7 days, with Qilin posting the most victims.

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CVE-2026-42897 — Microsoft Microsoft: Cross-Site Scripting | CVSS 8.1 HIGH

HIGH

CVSS 8.1 HIGH  ·  EPSS 0%  ·  Microsoft Microsoft

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Threat Intelligence Report — May 14, 2026 | 2 New KEVs · 168 Victims

Report Date: 2026-05-14

New KEVs: 2Critical CVEs: 5Ransomware Victims: 168

2 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. 5 additional critical-severity CVEs have been published to the NVD but not yet confirmed as exploited — Cisco products show the strongest concentration of risk signals this week. Ransomware activity is moderate with 168 new victims posted to leak sites over the last 7 days, with Qilin posting the most victims.

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CVE-2026-20182 — Cisco Catalyst SD-WAN: Improper Authentication | CVSS 10.0 CRITICAL

CRITICAL

CVSS 10.0 CRITICAL  ·  EPSS N/A  ·  Cisco Catalyst SD-WAN

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Threat Intelligence Report — May 13, 2026 | 2 New KEVs · 168 Victims

Report Date: 2026-05-13

New KEVs: 2Critical CVEs: 5Ransomware Victims: 168

2 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. 5 additional critical-severity CVEs have been published to the NVD but not yet confirmed as exploited — Berriai products show the strongest concentration of risk signals this week. Threat intelligence sources this period reference MuddyWater (Iran). Ransomware activity is moderate with 168 new victims posted to leak sites over the last 7 days, with Qilin posting the most victims.

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Threat Intelligence Report — May 12, 2026 | 3 New KEVs · 198 Victims

Report Date: 2026-05-12

New KEVs: 3Critical CVEs: 5Ransomware Victims: 198

3 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. 5 additional critical-severity CVEs have been published to the NVD but not yet confirmed as exploited — Berriai products show the strongest concentration of risk signals this week. Threat intelligence sources this period reference MuddyWater (Iran). Ransomware activity is moderate with 198 new victims posted to leak sites over the last 7 days, with Thegentlemen posting the most victims.

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Threat Intelligence Report — May 11, 2026 | 3 New KEVs · 192 Victims

Report Date: 2026-05-11

New KEVs: 3Critical CVEs: 5Ransomware Victims: 192

3 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. 5 additional critical-severity CVEs have been published to the NVD but not yet confirmed as exploited — Berriai products show the strongest concentration of risk signals this week. Threat intelligence sources this period reference MuddyWater (Iran) and Cl0p. Ransomware activity is moderate with 192 new victims posted to leak sites over the last 7 days, with Thegentlemen posting the most victims.

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