Improper control of resource identifiers ('resource injection') in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-62910
This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 49% 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
- 8.8
- EG Score
- 8.8(medium)
- EG Risk
- 40(Track)EG Risk 40/100SSVC: 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 computedSeverity88% × 45%Exploitation1% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 51%
- KEV
- Not listed
Published
August 11, 2026
Last Modified
September 16, 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-2026-62910Vendor Advisories for CVE-2026-62910(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 33× in last 7d / 180× 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 294 total refreshes for this CVE.
- 2026-09-19 01:58 UTCEG score recompute
- 2026-09-19 01:58 UTCVendor advisory
- 2026-09-19 01:58 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 13:18 UTCVendor advisory
- 2026-09-18 13:18 UTCGHSA enrichment
- 2026-09-18 00:43 UTCEG score recompute
- 2026-09-18 00:43 UTCVendor advisory
- 2026-09-18 00:43 UTCGHSA enrichment
- 2026-09-17 06:08 UTCVendor advisory
- 2026-09-17 06:08 UTCGHSA enrichment
- 2026-09-16 17:07 UTCEG score recompute
- 2026-09-16 17:07 UTCVendor advisory
- 2026-09-16 17:07 UTCGHSA enrichment
- 2026-09-16 14:08 UTCEPSS rescore
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-16 01:47 UTCVendor advisory
- 2026-09-16 01:47 UTCGHSA enrichment
- 2026-09-15 06:42 UTCEG score recompute
- 2026-09-15 06:42 UTCVendor advisory
- 2026-09-15 06:42 UTCGHSA enrichment
- 2026-09-14 18:04 UTCVendor advisory
- 2026-09-14 18:04 UTCGHSA enrichment
- 2026-09-14 08:15 UTCVendor advisory
- 2026-09-14 08:15 UTCGHSA enrichment
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- 2026-09-13 19:40 UTCEG score recompute
- 2026-09-13 19:40 UTCVendor advisory
- 2026-09-13 19:40 UTCGHSA enrichment
- 2026-09-13 07:05 UTCVendor advisory
- 2026-09-13 07:05 UTCGHSA enrichment
- 2026-09-12 18:30 UTCEG score recompute
- 2026-09-12 18:30 UTCVendor advisory
- 2026-09-12 18:30 UTCGHSA enrichment
- 2026-09-12 05:55 UTCVendor advisory
- 2026-09-12 05:55 UTCGHSA enrichment
- 2026-09-11 17:20 UTCVendor advisory
- 2026-09-11 17:20 UTCGHSA enrichment
- 2026-09-11 16:03 UTCVendor advisory
- 2026-09-11 16:03 UTCGHSA enrichment
- 2026-09-11 15:40 UTCEG score recompute
- 2026-09-11 15:40 UTCVendor advisory
- 2026-09-11 15:40 UTCGHSA enrichment
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 09:37 UTCEPSS rescore
- 2026-09-11 04:43 UTCGHSA enrichment
- 2026-09-10 16:08 UTCGHSA enrichment
- 2026-09-10 09:51 UTCEG score recompute
- 2026-09-10 09:51 UTCGHSA enrichment
- 2026-09-09 20:58 UTCVendor advisory
- 2026-09-09 20:58 UTCGHSA enrichment
- 2026-09-09 10:51 UTCVendor advisory
- 2026-09-09 10:51 UTCGHSA enrichment
- 2026-09-08 22:16 UTCEG score recompute
- 2026-09-08 22:16 UTCVendor advisory
- 2026-09-08 22:15 UTCGHSA enrichment
- 2026-09-08 22:01 UTCEPSS rescore
- 2026-09-08 20:06 UTCGHSA enrichment
- 2026-09-08 07:13 UTCVendor advisory
- 2026-09-08 07:13 UTCGHSA enrichment
- 2026-09-07 16:52 UTCEG score recompute
- 2026-09-07 16:52 UTCVendor advisory
- 2026-09-07 16:52 UTCGHSA enrichment
- 2026-09-07 16:01 UTCEPSS rescore
- 2026-09-06 15:44 UTCEG score recompute
- 2026-09-06 15:44 UTCVendor advisory
- 2026-09-06 15:44 UTCGHSA enrichment
- 2026-09-06 13:47 UTCEPSS rescore
- 2026-09-06 03:08 UTCEG score recompute
- 2026-09-06 03:08 UTCVendor advisory
- 2026-09-06 03:08 UTCGHSA enrichment
- 2026-09-05 15:31 UTCEPSS rescore
- 2026-09-05 14:31 UTCVendor advisory
- 2026-09-05 14:31 UTCGHSA enrichment
- 2026-09-05 01:39 UTCEG score recompute
- 2026-09-05 01:39 UTCVendor advisory
- 2026-09-05 01:39 UTCGHSA enrichment
- 2026-09-04 10:30 UTCEG score recompute
- 2026-09-04 10:30 UTCVendor advisory
- 2026-09-04 10:30 UTCGHSA enrichment
- 2026-09-04 05:07 UTCEPSS rescore
- 2026-09-03 21:54 UTCVendor advisory
- 2026-09-03 21:54 UTCGHSA enrichment
- 2026-09-03 15:49 UTCVendor advisory
- 2026-09-03 15:49 UTCGHSA enrichment
- 2026-09-03 08:24 UTCVendor advisory
- 2026-09-03 08:24 UTCGHSA enrichment
- 2026-09-02 19:36 UTCVendor advisory
- 2026-09-02 19:36 UTCGHSA enrichment
- 2026-09-02 17:49 UTCEG score recompute
- 2026-09-02 17:49 UTCGHSA enrichment
- 2026-09-02 14:12 UTCEPSS rescore
- 2026-09-02 01:55 UTCEG score recompute
- 2026-09-02 01:55 UTCVendor advisory
- 2026-09-02 01:55 UTCGHSA enrichment
- 2026-09-01 13:54 UTCEPSS rescore
- 2026-09-01 13:18 UTCEG score recompute
- 2026-09-01 13:18 UTCVendor advisory
- 2026-09-01 13:18 UTCGHSA enrichment
- 2026-09-01 04:40 UTCEPSS rescore
- 2026-08-31 20:36 UTCVendor advisory
Frequently asked(5)
What is CVE-2026-62910?
When was CVE-2026-62910 disclosed?
Is CVE-2026-62910 actively exploited?
What is the CVSS score of CVE-2026-62910?
How do I remediate CVE-2026-62910?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-62910
Is Your Infrastructure Affected by CVE-2026-62910?
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