Microsoft Exchange Server SSRF (ProxyNotShell) — cited as initial-access vector in 2026-05-14 FamousSparrow deep dive; chained with CVE-2022-41082
cve · CVE-2022-41040
Coverage timeline
1
first 2026-05-14 → last 2026-05-14
Briefs
1
1 distinct
Sources cited
45
30 hosts
Sections touched
0
—
Co-occurring entities
0
no co-occurrence
Story timeline
- 2026-05-14CTI Daily Brief — 2026-05-14
Source distribution
- microsoft.com6 (13%)
- github.com5 (11%)
- helpnetsecurity.com3 (7%)
- bleepingcomputer.com2 (4%)
- blog.talosintelligence.com2 (4%)
- securelist.com2 (4%)
- theregister.com2 (4%)
- access.redhat.com1 (2%)
- other22 (49%)
External references
All cited sources (45)
- msrc.microsoft.comprimaryinlineMicrosoft MSRChttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32202
- access.redhat.cominlineRed Hat, updated 2026-05-09https://access.redhat.com/security/vulnerabilities/RHSB-2026-003
- akamai.cominlineAkamai Security Researchhttps://www.akamai.com/blog/security-research/incomplete-patch-apt28s-zero-day-cve-2026-32202
- bitdefender.cominlineBitdefender Labs, 2026-05-13https://www.bitdefender.com/en-us/blog/businessinsights/famoussparrow-apt-targets-azerbaijani-oil-gas-industry
- bleepingcomputer.cominlineBleepingComputer — MuddyWater hackers use Chaos ransomware as a decoyhttps://www.bleepingcomputer.com/news/security/muddywater-hackers-use-chaos-ransomware-as-a-decoy-in-attacks/
- bleepingcomputer.cominlineBleepingComputer 2026-05-05https://www.bleepingcomputer.com/news/security/new-stealthy-quasar-linux-malware-targets-software-developers/
- blog.talosintelligence.cominlineCisco Talos, 2026-05-05https://blog.talosintelligence.com/cloudz-pheno-infostealer/
- blog.talosintelligence.cominlineCisco Talos 2026-05-05https://blog.talosintelligence.com/uat-8302/
- ccb.belgium.beinlineCCB Belgium, 2026-05-08https://ccb.belgium.be/advisories/warning-dirty-frag-new-linux-local-privilege-escalation-vulnerability-was-disclosed
- cert.europa.euinlineCERT-EU 2026-005https://cert.europa.eu/publications/security-advisories/2026-005/
- cert.ssi.gouv.frinlineCERT-FR — CERTFR-2026-ACT-016, 2026-05-08https://www.cert.ssi.gouv.fr/actualite/CERTFR-2026-ACT-016/
- cisa.govinlineCISA KEV entry CVE-2026-31431https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- elastic.coinlineElastic Security Labs 2026-05-07https://www.elastic.co/security-labs/tclbanker-brazilian-banking-trojan
- github.cominlineHealthChecker.ps1https://github.com/microsoft/CSS-Exchange
- github.cominlineResearcher write-up (V4bel), 2026-05-07https://github.com/V4bel/dirtyfrag/blob/master/assets/write-up.md
- github.cominlineGitHub GHSA-2ww3-72rp-wpp4https://github.com/microsoft/semantic-kernel/security/advisories/GHSA-2ww3-72rp-wpp4
- github.cominlineGitHub GHSA-xjw9-4gw8-4rqxhttps://github.com/microsoft/semantic-kernel/security/advisories/GHSA-xjw9-4gw8-4rqx
- github.cominlineGitHub Security Advisory GHSA-c9ph-gxww-7744, 2026-04-29https://github.com/thymeleaf/thymeleaf/security/advisories/GHSA-c9ph-gxww-7744
- helpnetsecurity.cominlineHelp Net Security, 2026-04-29https://www.helpnetsecurity.com/2026/04/29/windows-cve-2026-32202-exploited/
- helpnetsecurity.cominlineHelp Net Security, 2026-05-08https://www.helpnetsecurity.com/2026/05/08/dirty-frag-linux-vulnerability-cve-2026-43284-cve-2026-43500/
- helpnetsecurity.cominlineHelp Net Security, 2026-05-12https://www.helpnetsecurity.com/2026/05/12/microsoft-may-2026-patch-tuesday/
- isc.sans.eduinlineSANS ISC Diary, 2026-05-04https://isc.sans.edu/diary/Cleartext+Passwords+in+MS+Edge+In+2026/32954/
- krebsonsecurity.cominlineKrebs on Security, 2026-05-12https://krebsonsecurity.com/2026/05/patch-tuesday-may-2026-edition/
- malwarebytes.cominlineMalwarebytes — Shub Stealer earlier wave, 2026-03https://www.malwarebytes.com/blog/threat-intel/2026/03/fake-cleanmymac-site-installs-shub-stealer-and-backdoors-crypto-wallets
- microsoft.cominlineMicrosoft Security Blog, 2026-05-01https://www.microsoft.com/en-us/security/blog/2026/05/01/cve-2026-31431-copy-fail-vulnerability-enables-linux-root-privilege-escalation/
- microsoft.cominlineMicrosoft Security Blog 2026-05-04https://www.microsoft.com/en-us/security/blog/2026/05/04/breaking-the-code-multi-stage-code-of-conduct-phishing-campaign-leads-to-aitm-token-compromise/
- microsoft.cominlineMicrosoft Security Blog, 2026-05-06https://www.microsoft.com/en-us/security/blog/2026/05/06/clickfix-campaign-uses-fake-macos-utilities-lures-deliver-infostealers/
- microsoft.cominlineMicrosoft Security Bloghttps://www.microsoft.com/en-us/security/blog/2026/05/07/prompts-become-shells-rce-vulnerabilities-ai-agent-frameworks/
- microsoft.cominlineMicrosoft Security Bloghttps://www.microsoft.com/en-us/security/blog/2026/05/08/active-attack-dirty-frag-linux-vulnerability-expands-post-compromise-risk/
- microsoft.cominlineMicrosoft Security Blog, 2026-05-12https://www.microsoft.com/en-us/security/blog/2026/05/12/defense-at-ai-speed-microsofts-new-multi-model-agentic-security-system-finds-16-new-vulnerabilities/
- nvd.nist.govinlineNVD — CVE-2026-32202https://nvd.nist.gov/vuln/detail/CVE-2026-32202
- oasis.securityinlineOasis Security 2026-05-07https://www.oasis.security/blog/cline-kanban-websocket-hijack
- rapid7.cominlineRapid7 — Muddying the Tracks: The State-Sponsored Shadow Behind Chaos Ransomwarehttps://www.rapid7.com/blog/post/tr-muddying-tracks-state-sponsored-shadow-behind-chaos-ransomware/
- securelist.cominlineSecurelist (Kaspersky), 2026-05-12https://securelist.com/state-of-ransomware-in-2026/119761/
- securelist.cominlineKaspersky Securelist — Exploits and Vulnerabilities Q1 2026https://securelist.com/vulnerabilities-and-exploits-in-q1-2026/119733/
- security-hub.ncsc.admin.chinlineNCSC-CH Security Hub post 12547, 2026-05-08https://security-hub.ncsc.admin.ch/api/posts/12547/details
- securityweek.cominlineSecurityWeek — Iranian APT intrusion masquerades as Chaos ransomware attackhttps://www.securityweek.com/iranian-apt-intrusion-masquerades-as-chaos-ransomware-attack/
- techzine.euinlineTechzine, 2026-02-16https://www.techzine.eu/news/security/138806/data-breach-at-odido-responsibility-and-compensation-under-discussion/
- tenable.cominlineTenable, 2026-05-12https://www.tenable.com/blog/microsofts-may-2026-patch-tuesday-addresses-118-cves-cve-2026-41103
- thehackernews.cominlineThe Hacker News 2026-05-04https://thehackernews.com/2026/05/progress-patches-critical-moveit.html
- theregister.cominlineThe Register, 2026-02-27https://www.theregister.com/2026/02/27/odido_shinyhunters_leaks/
- theregister.cominlineThe Register, 2026-05-13https://www.theregister.com/patches/2026/05/13/doozy-of-a-patch-tuesday-includes-30-critical-microsoft-cves/5239224
- thezdi.cominlineZDI, 2026-05-12https://www.thezdi.com/blog/2026/5/12/the-may-2026-security-update-review
- unit42.paloaltonetworks.cominlineUnit 42 — Copy Failhttps://unit42.paloaltonetworks.com/cve-2026-31431-copy-fail/
- wiz.ioinlineWiz Researchhttps://www.wiz.io/blog/dirty-frag-linux-kernel-local-privilege-escalation-via-esp-and-rxrpc
Items in briefs about Microsoft Exchange Server SSRF (ProxyNotShell) — cited as initial-access vector in 2026-05-14 FamousSparrow deep dive; chained with CVE-2022-41082
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