Cisco Warns of Ongoing Exploitation of Critical Email Gateway Zero-Day

2026-09-15T14:51:41Z•dfe9796cbb27035aa8015914df1980a9ba6792b244210884603892cae953faac
CVE-2026-42016CVE-2026-76461AI-enabled cyberattacksAPTCISA KEVCheck Point VPNChina-linked espionageChromeCisco Secure Email GatewayGitLabJFrog ArtifactoryLiteSpeed EnterpriseScreenConnectTelegram DesktopVPN breachWindowsactive exploitationdata exposureremote code executionroot accessshared hosting escapespear-phishingstored XSSzero-day

What happened

Security news roundup covering active exploitation of a critical Cisco Secure Email Gateway zero-day (CVE-2026-76461), a critical LiteSpeed Enterprise privilege-escalation flaw enabling root access from shared hosting accounts, China-linked Chrome and Windows zero-day espionage campaigns, Telegram Desktop stored XSS in exported chats, a VPN breach affecting approximately 246,000 Japanese government records, CISA additions to its Known Exploited Vulnerabilities catalog, and critical Check Point VPN flaws. The most urgent items involve remotely exploitable, actively exploited or high-impact edge

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
securityaffairs
Record identifier
dfe9796cbb27035aa8015914df1980a9ba6792b244210884603892cae953faac
Enrichment time
2026-09-15T14:51:41Z
AI-assisted enrichment
Yes

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Record · Cisco Warns of Ongoing Exploitation of Critical Email Gateway Zero-Day · Baitaphish