Server-side request forgery (ssrf) in Microsoft PowerShell Core allows an unauthorized attacker to disclose information over a network.
CVE-2026-58612
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.8%, top 47% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 34(Track)EG Risk 34/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation1% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 53%
- KEV
- Not listed
Published
August 11, 2026
Last Modified
August 20, 2026
Advisory Details (1)
Auto-updated Aug 11, 2026Security Update Guide - Microsoft Security Response Center
Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58612Vendor Advisories for CVE-2026-58612(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 81× in last 7d / 123× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 123 total refreshes for this CVE.
- 2026-08-20 22:55 UTCEPSS rescore
- 2026-08-20 22:05 UTCVendor advisory
- 2026-08-20 22:05 UTCGHSA enrichment
- 2026-08-20 16:45 UTCVendor advisory
- 2026-08-20 16:45 UTCGHSA enrichment
- 2026-08-20 15:06 UTCVendor advisory
- 2026-08-20 15:06 UTCGHSA enrichment
- 2026-08-20 14:15 UTCVendor advisory
- 2026-08-20 14:15 UTCGHSA enrichment
- 2026-08-20 09:00 UTCVendor advisory
- 2026-08-20 09:00 UTCGHSA enrichment
- 2026-08-19 21:18 UTCVendor advisory
- 2026-08-19 21:18 UTCGHSA enrichment
- 2026-08-19 17:48 UTCEG score recompute
- 2026-08-19 17:48 UTCVendor advisory
- 2026-08-19 17:48 UTCGHSA enrichment
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-19 16:53 UTCVendor advisory
- 2026-08-19 16:53 UTCGHSA enrichment
- 2026-08-19 15:19 UTCVendor advisory
- 2026-08-19 15:19 UTCGHSA enrichment
- 2026-08-19 14:34 UTCVendor advisory
- 2026-08-19 14:34 UTCGHSA enrichment
- 2026-08-19 10:27 UTCVendor advisory
- 2026-08-19 10:27 UTCGHSA enrichment
Show 75 moreShow fewer
- 2026-08-18 22:46 UTCVendor advisory
- 2026-08-18 22:46 UTCGHSA enrichment
- 2026-08-18 22:01 UTCGHSA enrichment
- 2026-08-18 17:33 UTCVendor advisory
- 2026-08-18 17:33 UTCGHSA enrichment
- 2026-08-18 14:54 UTCEG score recompute
- 2026-08-18 14:54 UTCVendor advisory
- 2026-08-18 14:53 UTCGHSA enrichment
- 2026-08-18 13:48 UTCEPSS rescore
- 2026-08-18 05:39 UTCGHSA enrichment
- 2026-08-17 17:57 UTCVendor advisory
- 2026-08-17 17:57 UTCGHSA enrichment
- 2026-08-17 16:27 UTCEG score recompute
- 2026-08-17 16:27 UTCVendor advisory
- 2026-08-17 16:27 UTCGHSA enrichment
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 11:22 UTCEG score recompute▲ 0.10
- 2026-08-17 11:22 UTCVendor advisory
- 2026-08-17 11:22 UTCGHSA enrichment
- 2026-08-17 11:22 UTCNVD updateCVSS v3 → 7.5
- 2026-08-17 06:39 UTCVendor advisory
- 2026-08-17 06:39 UTCGHSA enrichment
- 2026-08-16 18:57 UTCVendor advisory
- 2026-08-16 18:57 UTCGHSA enrichment
- 2026-08-16 18:22 UTCVendor advisory
- 2026-08-16 18:22 UTCGHSA enrichment
- 2026-08-16 17:37 UTCVendor advisory
- 2026-08-16 17:37 UTCGHSA enrichment
- 2026-08-16 16:39 UTCEG score recompute
- 2026-08-16 16:39 UTCVendor advisory
- 2026-08-16 16:39 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 09:10 UTCEG score recompute
- 2026-08-16 09:10 UTCVendor advisory
- 2026-08-16 09:10 UTCGHSA enrichment
- 2026-08-16 02:14 UTCEPSS rescore
- 2026-08-15 21:28 UTCVendor advisory
- 2026-08-15 21:28 UTCGHSA enrichment
- 2026-08-15 09:46 UTCEG score recompute
- 2026-08-15 09:46 UTCVendor advisory
- 2026-08-15 09:46 UTCGHSA enrichment
- 2026-08-15 01:30 UTCEPSS rescore
- 2026-08-14 22:04 UTCVendor advisory
- 2026-08-14 22:04 UTCGHSA enrichment
- 2026-08-14 21:20 UTCVendor advisory
- 2026-08-14 21:20 UTCGHSA enrichment
- 2026-08-14 20:34 UTCVendor advisory
- 2026-08-14 20:34 UTCGHSA enrichment
- 2026-08-14 18:56 UTCVendor advisory
- 2026-08-14 18:56 UTCGHSA enrichment
- 2026-08-14 17:35 UTCVendor advisory
- 2026-08-14 17:35 UTCGHSA enrichment
- 2026-08-14 16:49 UTCVendor advisory
- 2026-08-14 16:49 UTCGHSA enrichment
- 2026-08-14 16:30 UTCVendor advisory
- 2026-08-14 16:30 UTCGHSA enrichment
- 2026-08-14 04:45 UTCEG score recompute
- 2026-08-14 04:45 UTCVendor advisory
- 2026-08-14 04:45 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 17:03 UTCVendor advisory
- 2026-08-13 17:03 UTCGHSA enrichment
- 2026-08-13 16:35 UTCVendor advisory
- 2026-08-13 16:35 UTCGHSA enrichment
- 2026-08-13 05:58 UTCVendor advisory
- 2026-08-13 05:58 UTCGHSA enrichment
- 2026-08-12 18:16 UTCVendor advisory
- 2026-08-12 18:16 UTCGHSA enrichment
- 2026-08-12 14:49 UTCEG score recompute
- 2026-08-12 14:49 UTCVendor advisory
- 2026-08-12 14:49 UTCGHSA enrichment
- 2026-08-12 13:51 UTCEPSS rescore
- 2026-08-12 12:04 UTCVendor advisory
- 2026-08-12 12:04 UTCGHSA enrichment
- 2026-08-12 00:21 UTCVendor advisory
Frequently asked(5)
What is CVE-2026-58612?
When was CVE-2026-58612 disclosed?
Is CVE-2026-58612 actively exploited?
What is the CVSS score of CVE-2026-58612?
How do I remediate CVE-2026-58612?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-58612
Is Your Infrastructure Affected by CVE-2026-58612?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.